Saturday, November 30, 2019

Unethical Works, Unethical People Essays - Mike Barnicle

Unethical Works, Unethical People Unethical Works, Unethical People In the world of media today, an ethics code is one of the most important things to follow. Unfortunately, Mike Barnicle and Patricia Smith did not feel the same way. Mike Barnicle and Patricia Smith, both former workers for The Boston Globe, plagiarized and falsified information in order to bring forth newsworthy stories. Throughout this paper I will discuss the unethical acts of both Barnicle and Smith, the problems they caused for themselves, and the problems they caused for The Boston Globe. "The following is what happens when a company lacks consistent response to, and enforcement of, its core values and standards"(Hoffman 1). The summer of 1998 became one of the worst summers The Boston Globe has ever seen. For thirty years The Boston Globe had built itself a great reputation and had won twelve Pulitzer prizes. "The Globe even outshone its cross-town rival, the Boston Herald" (Hoffman 1). In 1973 the Globe hired a writer by the name of Mike Barnicle. Mike wrote about the Boston's working class. Including cops, single mothers, gas station owners, elderly immigrants and young veterans. Problems with Barnicle started to surface early in his Boston Globe career. The Globe settled two lawsuits stating that Barnicle plagiarized quotes of famous people. Also, a man by the name of Mike Royoko complained that Barnicle was copying his work. Many workers at the Globe then came to resent him and complained that he was arrogant. Just when it seemed that Mike Barnicle's problems were beginning to subside, on August 1, 1998, Barnicle wrote a column titled, "I was just thinking.....". A reader called the Globe and alerted the Boston Herald that many of the excerpts in Barnicles column actually came from George Carlins book, Brain Droppings. The column Barnicle had written was not his own work.. This was the worst case scenario for the Boston Globe because their competitor released the story first and at the same time revealing the earlier problems the Globe had had with Mike Barnicle. "The thirty eight, one-liners in the column included eight items similar to George Carlin's book, without citing Carlin as the source"(Jurkowitz 1). Here is an excerpt from the actual article that Barnicle wrote compared to the writings of George Carlin. The book: "If cockpit voice recorders are so indestructible, why don't they just build an airplane that's just one big cockpit voice recorder?"(Carlin;Jurkowitz 3). The column: "How come planes aren't made with the same indestructible material used to assemble those black boxes that always survive crashes?"(Barnicle;Jurkowitz 3). The book: "People who should be phased out: Guys who wear suits all day and think an earring makes them cool all night."(Carlin;Jurkowitz 3). The column: "I don't get it when guys over forty think they're cool because they wear an earring."(Barnicle;Jurkowitz 3). As you can see through this small excerpt, Mike Barnicle obviously took his column from George Carlin's book, even though Barnicle claims to have never read Carlin's book. This wasn't the end to Barnicle's unethical ways. In1995 Barnicle wrote a piece about two families with a child at Children's Hospital. The story had been told to Barnicle, but was never meant for news and the story was embellished and flawed in the retelling. Barnicle wrote that one family lost a child and the other family generously gave them a personal gift of ten thousand dollars, when in actuality a gift of five thousand dollars was given and it was given to go toward a scholarship, not a personal gift. Also the race of the child was not accurate. When The Boston Globe became aware of what Barnicle was doing they were outraged. The Globe immediately asked for Barnicle's resignation accusing him of plagarism and falsification. Barnicle states, "Plagiarism is not the word to use here. Laziness or stupidity might be."(Jurkowitz 2). Barnicle asked the Globe to run a final column so that he could argue his case. Barnicle's request was denied, but he was allowed to write a column announcing his resignation. So at the age of fifty-four in August of 1998, Barnicle resigned. In his resignation column he states, "My employment ended in forced resignation and personal disbelief this August when I could not immediately provide sources for a 1995 column that included the reconstruction of dialogue I had not actually heard directly."(Barnicle 5). Barnicle had worked at the Globe for twenty-five years and said that they were wonderful, but now it was time for him to do something different. Unfortunately the problems at the Globe did not stop with Mike Barnicle. Patricia Smith was also working at the Globe. Patricia was a fairly new employee,

Tuesday, November 26, 2019

The use and importance of official crime statistics Research Paper Example

The use and importance of official crime statistics Research Paper Example The use and importance of official crime statistics Paper The use and importance of official crime statistics Paper This paper will consider which activities are officially counted as crime and feature in the official crime statistics, opening with a view as to why some activities do, whilst others, quite clearly and equally criminal, do not figure amongst these official statistics. This approach acknowledges that not all crimes, for whatever reasons, are reported to or acted upon by the police. We will consider serious and dangerous activities that some may deem equally criminal but which never find their way into the official statistics as a result of what Steven Box identifies as ideological mystification. Having examined this paradoxical situation, we will consider the futility of using crime statistics in the tracking of crimes, and in the implementation of measures against them. Before addressing this question, it would be helpful to be aware of what official criminal statistics represent in reality, and what they can actually tell us. Given this understanding, it seems that we can never be completely sure that the data, which represent certain activities as crime, fully reflects the true extent to which crime is being committed. There are many variables that need to be taken account of, such as the number of pursuits legally counted as crimes that are actually being reported to, and recorded by, the police. The most important issue here is the requirement for consistency in recording; yet the discretion that we know to be open to, and exercised by, the police affords them the freedom to manipulate the records in order to suit some hidden agenda or ulterior motive (e. g. he need for the police to meet Key Performance Indicators; or attempts to show crime as being higher or lower than the figures would in actual fact suggest), thus allowing the statistics to be constructed in such a way as to mislead and misinform politicians and the general public about the level of crime in our society. Therefore, if we do not have a clear picture from true and accurate statistics, it would appear to be futile to rely on these for the purposes of tracking crime or, indeed, in applying the measures taken against it. The dark figure of crime (unrecorded crimes) is not represented within the official criminal statistics. These unrecorded crimes can include anything from the pilfering of property in the workplace, to vandalism and the violent abuse of women and children within the home, (Muncie, J. 1998). These are crimes more usually picked up in self-reports or victimisation studies conducted by the British Crime Study (BCS) and which can be said to illustrate something of the disparity existent between the official statistics and peoples life experience of crimes. In 1982 and 1984, the BCS suggested that only about half of known crime is reported to the police. Since this is the case, and given the fact that very little is known about the bulk of criminal activity in Britain, the official crime statistics are far from representative of the reality of crime in Britain and so are of very little use in informing policy measures taken against it; although it could be argued that they may be of some use to certain politicians wishing to embark upon a law and order campaign. It could also be argued that these statistics may be used to point the finger at certain sections of the populace for purely political reasons. Steven Box (1981), poses the powerful argument, for example, that criminal laws are little more than ideological constructions representing the interests of an influential ruling elite. Box argues that laws tend to focus on those victimizing behaviours that are considered more serious and given greater prominence in the public perception, as constituting the most serious of social problems and deserving of no less serious responses. Crimes such as murder, rape, robbery and burglary are clearly reflected within the official crime statistics as perpetrated by predominantly young men of low socio-economic status. Amongst these, the uneducated, unemployed and ethnic minorities are over-represented and form the bulk of the prison population. This apparently tells us that particular sections of the populace are the most likely perpetrators of crime and criminal activity within society. However, statistics such as these do not tell us that, as Box indicates, far more serious crimes and criminality occur on a regular basis yet go unnoticed. A large number of these offences are crimes committed by the rich and powerful, which are carried out on the relatively powerless; real people who suffer avoidable death and serious injury for want of the proper implementation of current health and safety regulations at work and elsewhere. Criminal law also excludes from protection consumers who have been sold faulty products through the malpractices of manufacturers, or shareholders that incur losses resulting from the deliberate mismanagement of a company by its directors or senior management. (Box, 1981). Thus, the official criminal statistics would appear actually to hide the crimes of the more powerful, wealthy and privileged individuals within society whilst simultaneously serving to overemphasize and overstate those criminal activities of the weak. This effectively distorts and renders unreliable the official picture of crime as portrayed by the state. In relation to our question, it would appear then that the official crime statistics are far from representative of the true extent and reality of crime in our society, and although the vast majority of people wish to be protected from the very real crimes featured in the official statistics, they are notoriously unreliable indicators of the incidence of crime or, indeed, of the types of crime being committed in contemporary Britain. Therefore, the remainder of the question seems to be a fruitless pursuit unless we wish to advocate various conspiracy theories and speak in terms of the official crime statistics serving purposes such as controlling targeted sections of the populace by tracking their particular activities and informing the measures taken in combating these, whilst simultaneously serving to cover up the crimes of the rich and powerful elite and distract attention from their activities. In point of fact, that line of argument would result in the assertion that the official crime statistics actually serve to help maintain this particular, current, status quo.

Friday, November 22, 2019

Insect Behavior, Communication and Learning

Insect Behavior, Communication and Learning Most insect behavior is genetically programmed, or innate. A caterpillar with no prior experience or instruction can still spin a silken cocoon. But can an insect change its behavior as a result of its experiences? In other words, can insects learn? Insects Use Memories to Change Their Behavior You wont see one graduating from Harvard anytime soon, but indeed, most insects can learn. Smart insects will change their behaviors to reflect their associations with and memories of environmental stimuli. For the simple insect nervous system, learning to ignore repetitive and meaningless stimuli is a fairly easy task. Blow air on a cockroachs rear end, and it will flee. If you continue to blow air on the cockroach over and over, it will eventually conclude that the sudden breeze is no cause for concern, and stay put. This learning, called habituation, helps insects save energy by training them to ignore what is harmless. Otherwise, the poor cockroach would spend all its time running away from the wind. Insects Learn From Their Earliest Experiences Imprinting occurs during a brief period of sensitivity to certain stimuli. Youve probably heard stories of baby ducks falling in line behind a human caretaker, or of nesting sea turtles that return to the beach where they hatched years earlier. Some insects also learn this way. Upon emerging from their pupal cases, ants notice and retain the scent of their colony. Other insects imprint on their first food plant, showing a clear preference for that plant for the remainder of their lives. Insects Can Be Trained   Like Pavlovs dogs, insects can also learn through classical conditioning. An insect exposed repeatedly to two unrelated stimuli will soon associate one with the other. Wasps can be given food rewards each time they detect a certain scent. Once a wasp associates food with the smell, it will continue to go to that scent. Some scientists believe trained wasps may replace bomb and drug sniffing dogs in the near future. Honeybees Memorize Flight Routes and Communicate with Dance Routines A honeybee demonstrates its ability to learn each time it leaves its colony to forage. The bee must memorize patterns of landmarks within its environment to guide it back to the colony. Often, she is following the instructions of a fellow worker, as taught to her through the waggle dance. This memorization of details and events is a form of latent learning.

Thursday, November 21, 2019

The Role of Women in Organizations Essay Example | Topics and Well Written Essays - 3750 words

The Role of Women in Organizations - Essay Example In 1980s businesswomen became a powerful force in the European and US economy. The transition to post-industrial society boosted structural changes in the economy and rapid development in the services sector. Women were opening a multitude of service enterprises, which grew and gained public recognition. Society had to admit that small business was made for women. A study, conducted by Coates in Britain, showed that, while women represented a third of overall respondent managers, they nevertheless only represented 4.3% of executive positions against 9.9% of men. By far the largest single group overall was middle managers (47%), even here only 25 of the women studied had attained this level. The vast majority of women were thus junior managers (Coates, 1997). Women are now more than 1% of the Fortune 500 CEOs, yet research shows that companies with the highest percentage of women at the top financially outperform those with the lowest number of women at the top. Companies run by women are as financially sound and creditworthy as the typical firm in the U.S. economy and are more likely to remain in business than the average US firm. In 1987 two million female-owned businesses had $25bn in sales. One year later, five million female-owned businesses had $83bn in sales. Around the world, women-owned firms comprise between one-quarter and one-third of the businesses in the formal economy and are likely to play an even greater role in informal sectors. In Japan, the number of women managers is still small (around 300,000), but it has more than doubled over the past 10 years. In Australia, the proportion of women working in their own business is also growing. Women working in their own business in Australia numbered 216,300 in 1983-84 and 272,400 in 1989-90, an increase of approximately 26 per cent (Milojevic). Why does it happen that companies with women occupying senior positions perform better than those with male leaders One of the reasons may be that women's leadership style, based on openness, trust, sociability, interest in people, caring, ongoing education, compassion and collaboration. Women are more likely to succeed because of their natural qualities and because they admit they need help and surround themselves with good people: they are cautions, strategic risk takers, whose

Tuesday, November 19, 2019

History Assignment Example | Topics and Well Written Essays - 250 words - 28

History - Assignment Example Counterculture refers to a group whose beliefs are different from those of the common majority (Misiroglu, Gina p 24). The Free Speech Movement at the University of California: A socially fortunate group of students started identifying themselves as having different interests with regard to the requirements of practices and interests of the university’s corporate sponsors. The Beatles: New cultural forms emerged to oppose the old cultures. The Beatles rock band is an example of such cultural forms that rapidly evolved to mold and reflect the youth’s cultures emphasis on experimentation and change. The hippies: the hippie counterculture’s primary tenet was that life was all about being happy, and not about what others thought they should be. They did not consider the consequences that their actions bore. They sought to replace the dominant mainstream with a Utopian society. Countercultural ideas were embraced differently by different groups. Student movements viewed these ideas as platforms for airing their concerns. They aimed for an overhaul of the current systems that ran schools. The black power appreciated the countercultural ideas. They felt that they had been oppressed for long and wished to mitigate racism. They sought for equal opportunities in the new systems. The new left (activists, educators, et al) utilized confrontational tactics to break the older ideologies. They were concerned with antiwar, feminist, and ecological issues. The anti-Vietnam war groups opposed the Vietnam War. They used countercultural ideas to expose a deep schism within the American

Saturday, November 16, 2019

Mr Clean “You gotta love a man who clean” Essay Example for Free

Mr Clean â€Å"You gotta love a man who clean† Essay Companies have many objectives when advertising their products and services. These objectives vary according to their industries, available distribution channels, and overall marketing strategies. The key to all advertising is attracting the right buyers. These are people who are more apt to buy a companys wares based on demographics like age and income, for example. Advertising should also repeat their messages often enough to familiarize consumers with their offerings. One of the major objectives of advertising is to increase sales and profits. Advertising is generally intended to motivate potential or current customers to behave in the way you desire. The specific messages, and the ways you want them to act vary based on your current position in the market and the money you have to invest in promotion. Normally, though, and objectives change over time as your company grows. For super bowl 2017, dozens of companies are rushing to generate buzz for themselves by releasing advertisements that are funny, emotional or edgy. While the big game was a week away, cleaning brand Mr. Clean clearly had the early edge in that regard. Mr. Clean has gotten buff and sexy for his Super Bowl ad debut. Procter Gamble has released its first-ever Super Bowl ad for Mr. Clean.  The 30-second spot features the iconic but refreshed character whos still bald and muscular but seems a little younger and sexier than his old self. Entitled Cleaner of Your Dreams, the mostly wordless and portray Mr. Clean showing up at a suburban red-haired house. The woman appears to be frustrated by a stain on her stove, before Mr. Clean, the iconic mascot of the brand, shows up in all his erotic glory. As the sensual music plays, the two characters clean the house, culminating in Mr. Clean mopping the floor in a muscle white shirt and extremely tight white pants that show off his assets. Mr. Clean sashays and dances as he moves and cleans from kitchen to  bathroom, to  the living  room as music pulses. The blissed-out homemaker also begins to sway to the musics vibe before a voice calls out her name.Sarah? Sarah? as the fantasy concludes. She opens her eyes and its her  tubby, lazy mate  standi ng before her. Clean enough? he asks. She crashes into his arms as they both collapse on the  couch. Then You gotta love a man who cleans pops across the screen. The idea behind the whole ad is to make cleaning attractive to men and challenge the idea that women are the only ones who would be interested in a cleaning product. According to HYPERLINK http://ibtimes.com, ibtimes.com 172 million views tune in to the super bowl and 59% were men. â€Å"Theres no better way to reach a co-ed audience than the Super Bowl, Procter Gamble vice president Martin Hettich told the website. And the subject were broaching with Mr. Clean really is for a co-ed audience, because its talking about cleaning and how men and women divide up the chores. And theres still a way to go. According to data gathered by the Bureau of Labor Statistics in 2014, 83 percent of women reported doing household work, while just 65 percent of men said the same. Online, however, the ad was met with a broad range of reactions. Some liked the cheeky rebranding of the character, while others described themselves as uncomfortable with the idea of a sexualized Mr. Clean. Either way, the video has been a success in driving conversation about the brand, as it racked up nearly 450,000 views in a day on YouTube. (Per time magazine) This ad is different from the other Mr. Clean ads from way back when. It doesn’t create the issue of branding a female as a â€Å"housewife†. The other Mr. Clean advertisement considered females to be domestic wives who depend on their husbands for money and a house to clean. Manipulation is one of many worries that continue to be an issue with advertisements because many people find it unfair. Gender  roles persuade  people by establishing a minor feeling of a female and a wondrous feeling of a male. Note that advertisements glorify stereotypes of the female as a housewife with zero education and a great sense of style. On the other hand, male advertisements showcase males to be the provider of the household who is dependent on his wife or mother for food, clean clothes, and a bed to sleep on. According to Luuk Lagerwerf, Charlotte M.J. van Hooijdonk, and Ayalies Korenberg, â€Å"Advertisements containing connection are better comprehended than are advertisements containing similarity† (1840). If there is a relation between an advertisement and a person, the person will feel the need of buying that particular product.

Thursday, November 14, 2019

Legalization of Medicinal Marijuana :: pot should be legal

During the Carter, Reagan, and Bush administrations, eight people in the United States were allowed to use marijuana for medicinal purposes under the Compassionate Investigative New Drug program. However, since the Clinton administration no new applications have been accepted. Therefore, other patients who need marijuana to alleviate the nausea and loss of appetite associated with the AIDS viruses and cancer chemotherapy, as well as to treat glaucoma, multiple sclerosis, epilepsy, chronic pain, and other ailments must continue to suffer without the use of marijuana. Is this fair? What could the reasoning behind this needless suffering possibly be? I thought that one of the purposes of government was to promote the well-being of its individuals. Is that not why our country spends billions of dollars towards advancements in medicine every year? So, why aren’t there any FDA approved studies testing the actual effectiveness of marijuana in progress? If it is proved that marijuana does indeed help ease the pain and suffering of these poor people, then why not allow it to be prescribed to help them. It is illegal to consume any prescription drug not prescribed to you. Which makes all prescription drugs illegal, how is this different from marijuana? Sure it may be addicting, but so can caffeine pills. Sure it may be harmful if someone misuses it, but so can Ritalin. I just do not understand how prescribing a drug to help someone could be harmful. The least the government could do is research the subject a little more. Instead, they seem to be doing the opposite. In 1994, The Assistant Secretary for Health postponed the final meeting that would have decided whether the U.S. Department of Health and Human Services would require government-grown marijuana to be used in the first medicinal marijuana research project in over a decade. The government seems to have no problems arresting sick people for using marijuana, telling them that there has not been enough research to verify its medical benefits. However, they are doing nothing to assist in the studies. A small non-profit organization called MAPS has been working for two years to raise money, develop study protocols, and obtaining the Food and Drug Administrations approval for the study of marijuana. Only one thing holds them back. They have no legal way of obtaining marijuana, and the government will not give it to them. If a medical missionary in the Rain Forest proclaimed that she had found a new miracle drug to help ease the pain of many sufferers, you can guarantee that a government approved study would be launched almost instantaneously.

Monday, November 11, 2019

Keystone XL pipeline Essay

Keystone XL pipeline will be great for United States economy because it will bring more taxes to government from oil companies and public. However, the effect on the environment, economy and residents of America are destructive. The things through which people and environment will be affected are: Water, forest destruction, disease. First, the Keystone XL pipeline would travel through rivers such as Missouri river, Yellowstone, and Red rivers. Two million of population is depended on these rivers for drinking water. If somehow oil spill into these river, it would be a great disaster because people will be out of water until is completely clean again. Also, there marine life will die because of oil which will affect the business of the marine industry. In short, Keystone Xl pipeline will become expense for government. The expenses would be greater than the taxes gathered by the Keystone Xl pipeline Second, In the process of digging up tar sands oil, the forests are destroyed. As fores t plays an important role to protect environment by consuming Carbon dioxide and providing oxygen for human and animals. The more oil means more emission of Carbon dioxide and less forest to make clean environment. In addition, Animals will die or will travel to different areas which will impact the environment of that area. Because all animals play part in the environment: some help to provide food for humans, some help in the cycle of different nutrients throughout the ecosystem, and others help to speed up decomposition. Third, the location where tars sands oil is extracted has increased the rates of Cancer in surrounding areas. For example, â€Å"In the lakeside village of Fort Chipewyan[..] 100 of the town’s 1,200 residents have died from cancer.†(Foe) If spoil spill in American communities it will also increase cancer in American population. Country’s biggest asset is its people. If citizens are not healthy then they are unable to work which ultimately will have negative impact on the country’s economy. All in all, United States will have disastrous impact on its environment, economy, and residents.

Saturday, November 9, 2019

Evaluating The Waste Water Treatment Processes Environmental Sciences Essay

Domestic effluent intervention or sewerage intervention, is the procedure of taking contaminations from effluent and family sewerage, both overflow ( wastewaters ) and domestic. It includes physical, chemical, and biological procedures to take physical, chemical and biological contaminations. Its aim is to bring forth an environmentally-safe fluid waste watercourse ( or treated wastewater ) and a solid waste ( or treated sludge ) suitable for disposal or reuse ( normally as farm fertiliser ) . Using advanced engineering it is now possible to re-use sewerage wastewater for imbibing H2O, although Singapore is the lone state to implement such engineering on a production graduated table in its production of NEWater. 1.2 ORIGIN OF WASTE WATER Sewage is created by residential, institutional, and commercial and industrial constitutions and includes family waste liquid from lavatories, baths, showers, kitchens, sinks and so forth that is disposed of via cloacas. In many countries, sewerage besides includes liquid waste from industry and commercialism. The separation and draining of family waste into greywater and blackwater is going more common in the developed universe, with greywater being permitted to be used for irrigating workss or recycled for blushing lavatories. Sewage may include stormwater overflow. Sewage systems capable of managing stormwater are known as combined systems. Combined sewer systems are normally avoided now because precipitation causes widely changing flows cut downing sewerage intervention works efficiency. Combined cloacas require much larger, more expensive, intervention installations than healthful cloacas. Heavy storm overflow may overpower the sewerage intervention system, doing a spill or flood. Sanitary cloacas are typically much smaller than combined cloacas, and they are non designed to transport stormwater. Backups of natural sewerage can happen if inordinate Infiltration/Inflow is allowed into a healthful cloaca system. Modern sewered developments be given to be provided with separate storm drain systems for rainwater. As rainfall travels over roofs and the land, it may pick up assorted contaminations including dirt atoms and other deposit, heavy metals, organic compounds, carnal waste, and oil and lubricating oil. ( See urban overflow. ) Some legal powers require stormwater to have some degree of intervention before being discharged straight into waterways. Examples of intervention procedures used for stormwater include keeping basins, wetlands, buried vaults with assorted sorts of media filters, and vortex centrifuges ( to take harsh solids ) . Chapter TWO 2.1 OVERVIEW OF WASTE WATER TREATMENT PROCESSES Sewage can be treated near to where it is created, a decentralized system, ( in infected armored combat vehicles, biofilters or aerophilic intervention systems ) , or be collected and transported via a web of pipes and pump Stationss to a municipal intervention works, a centralized system, ( see sewage and pipes and substructure ) . Sewage aggregation and intervention is typically capable to local, province and federal ordinances and criterions. Industrial beginnings of effluent frequently require specialised intervention processes as shown in the diagram below: Procedure Flow Diagram for a typical intervention works via Subsurface Flow Constructed Wetlands ( SFCW ) Sewage intervention by and large involves three phases, called primary, secondary and third intervention. Primary intervention consists of temporarily keeping the sewerage in a quiescent basin where heavy solids can settle to the underside while oil, lubricating oil and lighter solids float to the surface. The settled and floating stuffs are removed and the staying liquid may be discharged or subjected to secondary intervention. Secondary intervention removes dissolved and suspended biological affair. Secondary intervention is typically performed by autochthonal, water-borne microorganisms in a managed home ground. Secondary intervention may necessitate a separation procedure to take the microorganisms from the treated H2O prior to dispatch or third intervention. Third intervention is sometimes defined as anything more than primary and secondary intervention in order to let rejection into a extremely sensitive or delicate ecosystem ( estuaries, low-flow rivers, coral reefs etc. ) . Treated H2O is sometimes disinfected chemically or physically ( for illustration, by lagunas and microfiltration ) prior to dispatch into a watercourse, river, bay, laguna or wetland, or it can be used for the irrigation of a golf class, green manner or park. If it is sufficiently clean, it can besides be used for groundwater recharge or agricultural intents. 2.2 PRE-TREATMENT Pre-treatment removes stuffs that can be easy collected from the natural waste H2O before they damage or clog the pumps and skimmers of primary intervention clarifiers ( rubbish, tree limbs, foliages, etc. ) . Screening The inflowing sewerage H2O is screened to take all big objects like tins, shreds, sticks, fictile packages etc. carried in the sewerage watercourse. This is most normally done with an automated automatically raked saloon screen in modern workss functioning big populations, whilst in smaller or less modern workss a manually cleaned screen may be used. The raking action of a mechanical saloon screen is typically paced harmonizing to the accretion on the saloon screens and/or flow rate. The solids are collected and subsequently disposed in a landfill or incinerated. Bar screens or mesh screens of changing sizes may be used to optimise solids remotion. If gross solids are non removed they become entrained in pipes and traveling parts of the intervention works and can do significant harm and inefficiency in the procedure. GRIT REMOVAL Pre-treatment may include a sand or grit channel or chamber where the speed of the entrance effluent is adjusted to let the colony of sand, grit, rocks, and broken glass. These atoms are removed because they may damage pumps and other equipment. For little healthful cloaca systems, the grit Chamberss may non be necessary, but grit remotion is desirable at larger workss. FAT AND GREASE REMOVAL In some larger workss, fat and lubricating oil is removed by go throughing the sewerage through a little armored combat vehicle where skimmers collect the fat natation on the surface. Air blowers in the base of the armored combat vehicle may besides be used to assist retrieve the fat as a foam. In most workss nevertheless, fat and lubricating oil remotion takes topographic point in the primary colony armored combat vehicle utilizing mechanical surface skimmers. 2.3 PRIMARY TREATMENT In the primary deposit phase, sewerage flows through big armored combat vehicles, normally called â€Å" primary clarifiers † or â€Å" primary deposit armored combat vehicles. † The armored combat vehicles are used to settle sludge while lubricating oil and oils rise to the surface and are skimmed off. Primary settling armored combat vehicles are normally equipped with automatically goaded scrapers that continually drive the gathered sludge towards a hopper in the base of the armored combat vehicle where it is pumped to sludge intervention installations. Grease and oil from the drifting stuff can sometimes be recovered for saponification. The dimensions of the armored combat vehicle should be designed to consequence remotion of a high per centum of the floatables and sludge. A typical deposit armored combat vehicle may take from 60 to 65 per centum of suspended solids, and from 30 to 35 per centum of biochemical O demand ( BOD ) from the sewerage. 2.4 SECONDARY TREATMENT Secondary intervention is designed to well degrade the biological content of the sewerage which are derived from human waste, nutrient waste, soaps and detergent. The bulk of municipal workss handle the settled sewerage spirits utilizing aerophilic biological procedures. To be effectual, the biology necessitate both O and nutrient to populate. The bacterium and Protozoa consume biodegradable soluble organic contaminations ( e.g. sugars, fats, organic short-chain C molecules, etc. ) and adhere much of the less soluble fractions into floc. Secondary intervention systems are classified as fixed-film or suspended-growth systems. Fixed-film or affiliated growing systems include dribbling filters and revolving biological contactors, where the biomass grows on media and the sewerage passes over its surface. Suspended-growth systems include activated sludge, where the biomass is assorted with the sewerage and can be operated in a smaller infinite than fixed-film systems that treat the same sum of H2O. However, fixed-film systems are more able to get by with drastic alterations in the sum of biological stuff and can supply higher remotion rates for organic stuff and suspended solids than suspended growing systems. [ 6 ] :11-13 Rough ining filters are intended to handle peculiarly strong or variable organic tonss, typically industrial, to let them to so be treated by conventional secondary intervention procedures. Features include filters filled with media to which effluent is applied. They are designed to let high hydraulic burden and a high degree of aeration. On larger installings, air is forced through the media utilizing blowers. The attendant effluent is normally within the normal scope for conventional intervention procedures. A generalised, conventional diagram of an activated sludge procedure. A filter removes a little per centum of the suspended organic affair, while the bulk of the organic affair undergoes a alteration of character, merely due to the biological oxidization and nitrification taking topographic point in the filter. With this aerophilic oxidization and nitrification, the organic solids are converted into coagulated suspended mass, which is heavier and bulkier, and can settle to the underside of a armored combat vehicle. The wastewater of the filter is hence passed through a deposit armored combat vehicle, called a secondary clarifier, secondary subsiding armored combat vehicle or humus armored combat vehicle. ACTIVATED SLUDGE In general, activated sludge workss encompass a assortment of mechanisms and procedures that use dissolved O to advance the growing of biological floc that well removes organic stuff. The procedure traps particulate stuff and can, under ideal conditions, convert ammonium hydroxide to nitrite and nitrate and finally to nitrogen gas. SURFACE-AERATED BASINS ( LAGOONS ) Many little municipal sewerage systems in the United States ( 1 million gal./day or less ) usage aerated lagunas. Most biological oxidization processes for handling industrial effluents have in common the usage of O ( or air ) and microbic action. Surface-aerated basins achieve 80 to 90 per centum remotion of BOD with keeping times of 1 to 10 yearss. The basins may run in deepness from 1.5 to 5.0 meters and utilize motor-driven aerators drifting on the surface of the effluent. In an aerated basin system, the aerators provide two maps: they transfer air into the basins required by the biological oxidization reactions, and they provide the commixture required for scattering the air and for reaching the reactants ( that is, O, effluent and bug ) . Typically, the drifting surface aerators are rated to present the sum of air tantamount to 1.8 to 2.7A kilograms O2/kWA ·h. However, they do non supply as good commixture as is usually achieved in activated sludge systems and hence aerated basins do non accomplish the same public presentation degree as activated sludge units. Biological oxidization procedures are sensitive to temperature and, between 0 A °C and 40 A °C, the rate of biological reactions increase with temperature. Most surface aerated vass operate at between 4 A °C and 32 A °C. CONSTRUCTED WETLANDS Constructed wetlands ( can either be surface flow or subsurface flow, horizontal or perpendicular flow ) , include engineered reedbeds and belong to the household of phytorestoration and ecotechnologies ; they provide a high grade of biological betterment and depending on design, act as a primary, secondary and sometimes third intervention, besides see phytoremediation. One illustration is a little reedbed used to clean the drainage from the elephants ‘ enclosure at Chester Zoo in England ; legion CWs are used to recycle the H2O of the metropolis of Honfleur in France and legion other towns in Europe, the US, Asia and Australia. They are known to be extremely productive systems as they copy natural wetlands, called the â€Å" Kidneys of the Earth † for their cardinal recycling capacity of the hydrological rhythm in the biosphere. Robust and dependable, their intervention capacities improve as clip spell by, at the antonym of conventional intervention workss whose machine ry age with clip. They are being progressively used, although equal and experient design are more cardinal than for other systems and infinite restriction may hinder their usage. FILTER BEDS ( OXIDIZING BEDS ) In older workss and those having variable burdens, dribbling filter beds are used where the settled sewerage spirits is spread onto the surface of a bed made up of coke ( carbonized coal ) , limestone french friess or specially fabricated fictile media. Such media must hold big surface countries to back up the biofilms that form. The spirits is typically distributed through perforated spray weaponries. The distributed spirits drips through the bed and is collected in drains at the base. These drains besides provide a beginning of air which percolates up through the bed, maintaining it aerophilic. Biological movies of bacteriums, Protozoa and fungi signifier on the media ‘s surfaces and eat or otherwise cut down the organic content. This biofilm is frequently grazed by insect larvae, snails, and worms which help keep an optimum thickness. Overloading of beds increases the thickness of the movie taking to clogging of the filter media and ponding on the surface. SOIL BIO-TECHNOLOGY A new procedure called Soil Bio-Technology ( SBT ) developed at IIT Bombay has shown enormous betterments in procedure efficiency enabling entire H2O reuse, due to highly low runing power demands of less than 50 Js per kilogram of treated H2O. Typically SBT systems can accomplish chemical O demand ( COD ) degrees less than 10A mg/L from sewerage input of COD 400A mg/L. SBT workss exhibit high decreases in COD values and bacterial counts as a consequence of the really high microbic densenesss available in the media. Unlike conventional intervention workss, SBT workss produce undistinguished sums of sludge, preventing the demand for sludge disposal countries that are required by other engineerings. BIOLOGICAL AERATED FILTERS Biological Aerated ( or Anoxic ) Filter ( BAF ) or Biofilters combine filtration with biological C decrease, nitrification or denitrification. BAF normally includes a reactor filled with a filter media. The media is either in suspension or supported by a crushed rock bed at the pes of the filter. The double intent of this media is to back up extremely active biomass that is attached to it and to filtrate suspended solids. Carbon decrease and ammonium hydroxide transition occurs in aerophilic manner and sometime achieved in a individual reactor while nitrate transition occurs in anoxic manner. BAF is operated either in upflow or downflow constellation depending on design specified by maker. Conventional diagram of a typical revolving biological contactor ( RBC ) . The treated wastewater clarifier/settler is non included in the diagram. ROTATING BIOLOGICAL CONTACTORS Revolving biological contactors ( RBCs ) are mechanical secondary intervention systems, which are robust and capable of defying rushs in organic burden. RBCs were foremost installed in Germany in 1960 and have since been developed and refined into a dependable operating unit. The revolving discs back up the growing of bacteriums and micro-organisms nowadays in the sewerage, which break down and brace organic pollutants. To be successful, micro-organisms need both O to populate and nutrient to turn. Oxygen is obtained from the ambiance as the discs rotate. As the micro-organisms grow, they build up on the media until they are sloughed off due to shear forces provided by the revolving phonograph record in the sewerage. Effluent from the RBC is so passed through concluding clarifiers where the microorganisms in suspension settee as a sludge. The sludge is withdrawn from the clarifier for farther intervention. A functionally similar biological filtering system has become popular as portion of place fish tank filtration and purification. The fish tank H2O is drawn up out of the armored combat vehicle and so cascaded over a freely whirling corrugated fiber-mesh wheel before go throughing through a media filter and back into the fish tank. The whirling mesh wheel develops a biofilm coating of micro-organisms that feed on the suspended wastes in the fish tank H2O and are besides exposed to the ambiance as the wheel rotates. This is particularly good at taking waste. MEMBRANE BIOREACTORS Membrane bioreactors ( MBR ) combine activated sludge intervention with a membrane liquid-solid separation procedure. The membrane constituent uses low force per unit area microfiltration or extremist filtration membranes and eliminates the demand for elucidation and third filtration. The membranes are typically immersed in the aeration armored combat vehicle ; nevertheless, some applications utilize a separate membrane armored combat vehicle. One of the cardinal benefits of an MBR system is that it efficaciously overcomes the restrictions associated with hapless subsiding of sludge in conventional activated sludge ( CAS ) processes. The engineering permits bioreactor operation with well higher assorted spirits suspended solids ( MLSS ) concentration than CAS systems, which are limited by sludge subsiding. The procedure is typically operated at MLSS in the scope of 8,000-12,000A mg/L, while CAS are operated in the scope of 2,000-3,000A mg/L. The elevated biomass concentration in the MBR procedure allows for really effectual remotion of both soluble and particulate biodegradable stuffs at higher burden rates. Therefore increased sludge keeping times, normally transcending 15 yearss, guarantee complete nitrification even in highly cold conditions. SECONDARY SEDIMENTATION The concluding measure in the secondary intervention phase is to settle out the biological floc or filter stuff through a secondary clarifier and to bring forth sewage H2O incorporating low degrees of organic stuff and suspended affair. TERTIARY TREATMENT The intent of third intervention is to supply a concluding intervention phase to raise the outflowing quality before it is discharged to the receiving environment ( sea, river, lake, land, etc. ) . More than one third intervention procedure may be used at any intervention works. If disinfection is practiced, it is ever the concluding procedure. It is besides called â€Å" outflowing shining. † Filtration Sand filtration removes much of the residuary suspended affair. Filtration over activated C, besides called C surface assimilation, removes residuary toxins. LAGOONING Lagooning provides colony and farther biological betterment through storage in big semisynthetic pools or lagunas. These lagunas are extremely aerophilic and colonisation by native macrophytes, particularly reeds, is frequently encouraged. Small filter feeding invertebrates such as Daphnia and species of Rotifera greatly assist in intervention by taking all right particulates. NUTRIENT REMOVAL Effluent may incorporate high degrees of the foods N and P. Excessive release to the environment can take to a physique up of foods, called eutrophication, which can in bend encourage the giantism of weeds, algae, and blue-green algaes ( bluish green algae ) . This may do an algal bloom, a rapid growing in the population of algae. The algae Numberss are unsustainable and finally most of them die. The decomposition of the algae by bacteriums uses up so much of O in the H2O that most or all of the animate beings die, which creates more organic affair for the bacteriums to break up. In add-on to doing deoxygenation, some algal species produce toxins that contaminate imbibing H2O supplies. Different intervention procedures are required to take N and P. NITROGEN REMOVAL The remotion of N is effected through the biological oxidization of N from ammonium hydroxide to nitrate ( nitrification ) , followed by denitrification, the decrease of nitrate to nitrogen gas. Nitrogen gas is released to the ambiance and therefore removed from the H2O. Nitrification itself is a two-step aerophilic procedure, each measure facilitated by a different type of bacteriums. The oxidization of ammonium hydroxide ( NH3 ) to nitrite ( NO2a?’ ) is most frequently facilitated by Nitrosomonas spp. ( nitroso mentioning to the formation of a nitroso functional group ) . Nitrite oxidization to nitrate ( NO3a?’ ) , though traditionally believed to be facilitated by Nitrobacter spp. ( nitro mentioning the formation of a nitro functional group ) , is now known to be facilitated in the environment about entirely by Nitrospira spp. Denitrification requires anoxic conditions to promote the appropriate biological communities to organize. It is facilitated by a broad diverseness of bacteriums. Sand filters, lagooning and reed beds can all be used to cut down N, but the activated sludge procedure ( if designed good ) can make the occupation the most easy. Since denitrification is the decrease of nitrate to dinitrogen gas, an negatron giver is needed. This can be, depending on the effluent, organic affair ( from fecal matters ) , sulfide, or an added giver like methyl alcohol. PHOSPHORUS REMOVAL Phosphorus remotion is of import as it is a confining food for algae growing in many fresh H2O systems. ( For a description of the negative effects of algae, see Nutrient remotion ) . It is besides peculiarly of import for H2O reuse systems where high P concentrations may take to fouling of downstream equipment such as rearward osmosis. Phosphorus can be removed biologically in a procedure called enhanced biological P remotion. In this procedure, specific bacterium, called polyphosphate roll uping beings ( PAOs ) , are selectively enriched and roll up big measures of P within their cells ( up to 20 per centum of their mass ) . When the biomass enriched in these bacteriums is separated from the treated H2O, these biosolids have a high fertiliser value. Phosphorus remotion can besides be achieved by chemical precipitation, normally with salts of Fe ( e.g. ferrous chloride ) , aluminium ( e.g. alum ) , or lime. This may take to inordinate sludge production as hydrated oxides precipitates and the added chemicals can be expensive. Chemical P remotion requires significantly smaller equipment footmark than biological remotion, is easier to run and is frequently more dependable than biological P removalA . Another method for P remotion is to utilize farinaceous laterite. Once removed, P, in the signifier of a phosphate-rich sludge, may be stored in a land fill or resold for usage in fertiliser. Disinfection The intent of disinfection in the intervention of waste H2O is to well cut down the figure of micro-organisms in the H2O to be discharged back into the environment. The effectivity of disinfection depends on the quality of the H2O being treated ( e.g. , cloud cover, pH, etc. ) , the type of disinfection being used, the bactericidal dose ( concentration and clip ) , and other environmental variables. Cloudy H2O will be treated less successfully, since solid affair can screen organisms, particularly from ultraviolet visible radiation or if contact times are low. By and large, short contact times, low doses and high flows all militate against effectual disinfection. Common methods of disinfection include ozone, Cl, ultraviolet visible radiation, or Na hypochlorite. Chloramine, which is used for imbibing H2O, is non used in waste H2O intervention because of its continuity. Chlorination remains the most common signifier of waste H2O disinfection in North America due to its low cost and long-run history of effectivity. One disadvantage is that chlorination of residuary organic stuff can bring forth chlorinated-organic compounds that may be carcinogenic or harmful to the environment. Residual Cl or chloramines may besides be capable of chlorinating organic stuff in the natural aquatic environment. Further, because residuary Cl is toxic to aquatic species, the treated wastewater must besides be chemically dechlorinated, adding to the complexness and cost of intervention. Ultraviolet ( UV ) light can be used alternatively of Cl, I, or other chemicals. Because no chemicals are used, the treated H2O has no inauspicious consequence on beings that subsequently devour it, as may be the instance with other methods. UV radiation causes harm to the familial construction of bacteriums, viruses, and other pathogens, doing them incapable of reproduction. The cardinal disadvantages of UV disinfection are the demand for frequent lamp care and replacing and the demand for a extremely treated wastewater to guarantee that the mark micro-organisms are non shielded from the UV radiation ( i.e. , any solids nowadays in the treated wastewater may protect micro-organisms from the UV visible radiation ) . In the United Kingdom, UV visible radiation is going the most common agencies of disinfection because of the concerns about the impacts of Cl in chlorinating residuary organics in the effluent and in chlorinating organics in the receiving H2O. Some sewerage intervention s ystems in Canada and the US besides use UV visible radiation for their outflowing H2O disinfection. Ozone ( O3 ) is generated by go throughing O ( O2 ) through a high electromotive force possible resulting in a 3rd O atom going attached and organizing O3. Ozone is really unstable and reactive and oxidizes most organic stuff it comes in contact with, thereby destructing many infective micro-organisms. Ozone is considered to be safer than Cl because, unlike Cl which has to be stored on site ( extremely toxicant in the event of an inadvertent release ) , ozone is generated onsite as needed. Ozonation besides produces fewer disinfection byproducts than chlorination. A disadvantage of ozone disinfection is the high cost of the ozone coevals equipment and the demands for particular operators. ODOUR CONTROL Smells emitted by sewerage intervention are typically an indicant of an anaerobic or â€Å" infected † status. Early phases of processing will be given to bring forth fetid gases, with H sulphide being most common in bring forthing ailments. Large procedure workss in urban countries will frequently handle the smells with C reactors, a contact media with bio-slimes, little doses of Cl, or go arounding fluids to biologically capture and metabolise the objectionable gases. Other methods of odour control exist, including add-on of Fe salts, H peroxide, Ca nitrate, etc. to pull off H sulphide degrees. Package Plants AND BATCH REACTORS To utilize less infinite, dainty hard waste and intermittent flows, a figure of designs of intercrossed intervention workss have been produced. Such workss frequently combine at least two phases of the three chief intervention phases into one combined phase. In the UK, where a big figure of effluent intervention workss serve little populations, bundle workss are a feasible option to constructing a big construction for each procedure phase. In the US, bundle workss are typically used in rural countries, main road remainder Michigans and dawdler Parkss. One type of system that combines secondary intervention and colony is the sequencing batch reactor ( SBR ) . Typically, activated sludge is assorted with natural entrance sewerage, and so assorted and aerated. The settled sludge is run away and re-aerated before a proportion is returned to the headworks. SBR workss are now being deployed in many parts of the universe. The disadvantage of the SBR procedure is that it requires a precise control of timing, blending and aeration. This preciseness is typically achieved with computing machine controls linked to detectors. Such a complex, delicate system is unsuited to topographic points where controls may be undependable, ill maintained, or where the power supply may be intermittent. Extended aeration bundle workss use separate basins for aeration and subsiding, and are slightly larger than SBR workss with decreased timing sensitiveness. Package workss may be referred to every bit high charged or low charged. This refers to the manner the biological burden is processed. In high charged systems, the biological phase is presented with a high organic burden and the combined floc and organic stuff is so oxygenated for a few hours before being charged once more with a new burden. In the low charged system the biological phase contains a low organic burden and is combined with flocculate for longer times. SLUDGE TREATMENT AND DISPOSAL The sludges accumulated in a effluent intervention procedure must be treated and disposed of in a safe and effectual mode. The intent of digestion is to cut down the sum of organic affair and the figure of disease-causing micro-organisms present in the solids. The most common intervention options include anaerobiotic digestion, aerophilic digestion, and composting. Incineration is besides used albeit to a much lesser grade. Sludge intervention depends on the sum of solids generated and other site-specific conditions. Composting is most frequently applied to small-scale workss with aerophilic digestion for mid sized operations, and anaerobiotic digestion for the larger-scale operations. ANAEROBIC DIGESTION Anaerobic digestion is a bacterial procedure that is carried out in the absence of O. The procedure can either be thermophilic digestion, in which sludge is fermented in armored combat vehicles at a temperature of 55A °C, or mesophilic, at a temperature of around 36A °C. Though leting shorter keeping clip ( and therefore smaller armored combat vehicles ) , thermophilic digestion is more expensive in footings of energy ingestion for heating the sludge. Anaerobic digestion is the most common ( mesophilic ) intervention of domestic sewerage in infected armored combat vehicles, which usually retain the sewerage from one twenty-four hours to two yearss, cut downing the BOD by approximately 35 to 40 per centum. This decrease can be increased with a combination of anaerobiotic and aerophilic intervention by put ining Aerobic Treatment Units ( ATUs ) in the infected armored combat vehicle. One major characteristic of anaerobiotic digestion is the production of biogas ( with the most utile constituent being methane ) , which can be used in generators for electricity production and/or in boilers for warming intents. AEROBIC DIGESTION Aerobic digestion is a bacterial procedure happening in the presence of O. Under aerophilic conditions, bacteriums quickly consume organic affair and change over it into C dioxide. The operating costs used to be characteristically much greater for aerophilic digestion because of the energy used by the blowers, pumps and motors needed to add O to the procedure. Aerobic digestion can besides be achieved by utilizing diffuser systems or jet aerators to oxidise the sludge. COMPOSTING Composting is besides an aerophilic procedure that involves blending the sludge with beginnings of C such as sawdust, straw or wood french friess. In the presence of O, bacterium digest both the effluent solids and the added C beginning and, in making so, produce a big sum of heat. Incineration Incineration of sludge is less common because of air emanations concerns and the auxiliary fuel ( typically natural gases or fuel oil ) required to fire the low calorific value sludge and zap residuary H2O. Stepped multiple fireplace incinerators with high abode clip and fluidized bed incinerators are the most common systems used to burn effluent sludge. Co-firing in municipal waste-to-energy workss is on occasion done, this option being less expensive presuming the installations already exist for solid waste and there is no demand for subsidiary fuel. Chapter THREE TERTIARY TREATMENT 3.1 SLUDGE DISPOSAL When a liquid sludge is produced, farther intervention may be required to do it suited for concluding disposal. Typically, sludges are thickened ( dewatered ) to cut down the volumes transported off-site for disposal. There is no procedure which wholly eliminates the demand to dispose of biosolids. There is, nevertheless, an extra measure some metropoliss are taking to superheat sludge and change over it into little pelletized granules that are high in N and other organic stuffs. In New York City, for illustration, several sewerage intervention workss have dewatering installations that use big extractors along with the add-on of chemicals such as polymer to farther take liquid from the sludge. The removed fluid, called centrate, is typically reintroduced into the effluent procedure. The merchandise which is left is called â€Å" bar † and that is picked up by companies which turn it into fertilizer pellets. This merchandise is so sold to local husbandmans and sod farms as a di rt amendment or fertiliser, cut downing the sum of infinite required to dispose of sludge in landfills. Much sludge arising from commercial or industrial countries is contaminated with toxic stuffs that are released into the cloacas from the industrial procedures. Elevated concentrations of such stuffs may do the sludge unsuitable for agricultural usage and it may so hold to be incinerated or disposed of to landfill. 3.2 TREATMENT IN THE RECEIVING ENVIRONMENT Many procedures in a effluent intervention works are designed to mime the natural intervention processes that occur in the environment, whether that environment is a natural H2O organic structure or the land. If non overloaded, bacteriums in the environment will devour organic contaminations, although this will cut down the degrees of O in the H2O and may significantly alter the overall ecology of the receiving H2O. Native bacterial populations feed on the organic contaminations, and the Numberss of disease-causing micro-organisms are reduced by natural environmental conditions such as predation or exposure to ultraviolet radiation. Consequently, in instances where the receiving environment provides a high degree of dilution, a high grade of effluent intervention may non be required. However, recent grounds has demonstrated that really low degrees of specific contaminations in effluent, including endocrines ( from animate being farming and residue from human hormonal contraceptive me thod methods ) and man-made stuffs such as phthalates that mimic endocrines in their action, can hold an unpredictable inauspicious impact on the natural biology and potentially on worlds if the H2O is re-used for imbibing H2O. [ 21 ] In the US and EU, uncontrolled discharges of effluent to the environment are non permitted under jurisprudence, and rigorous H2O quality demands are to be met. ( For demands in the US, see Clean Water Act. ) A important menace in the coming decennaries will be the increasing uncontrolled discharges of effluent within quickly developing states. 3.3 SEWAGE TREATMENT IN DEVELOPING COUNTRIES Few dependable figures on the portion of the effluent collected in cloacas that is being treated in the universe exist. In many developing states the majority of domestic and industrial effluent is discharged without any intervention or after primary intervention merely. In Latin America about 15 % of gathered effluent base on ballss through intervention workss ( with varying degrees of existent intervention ) . In Venezuela, a below mean state in South America with regard to wastewater intervention, 97 per centum of the state ‘s sewerage is discharged natural into the environment. In a comparatively developed Middle Eastern state such as Iran, Tehran ‘s bulk of population has wholly untreated sewerage injected to the metropolis ‘s groundwater. However now the building of major parts of the sewerage system, aggregation and intervention, in Tehran is about complete, and under development, due to be to the full completed by the terminal of 2012. In Israel, approximately 50 per centum of agricultural H2O use ( entire usage was 1 billion three-dimensional meters in 2008 ) is provided through reclaimed cloaca H2O. Future programs call for increased usage of treated cloaca H2O every bit good as more desalinization workss.

Thursday, November 7, 2019

The 13 Best Campus Jobs for College Students

The 13 Best Campus Jobs for College Students SAT / ACT Prep Online Guides and Tips There are a lot of benefits to having a job while you’re a college student (besides just the extra cash, of course). Some of the most convenient jobs available are located right on campus. In this article, I’ll do a deep dive into the benefits of having a job in college before talking about exactly what you should look for to find good jobs for college students.Then I’ll get to the good stuff: a list of the best jobs out there and how to get one for yourself. Read on to learn more! Why Should You Have a Student Job, Anyways? So maybe you’re still on the fence when it comes to deciding whether a student job is right for you. It’s not a decision to be taken lightly - getting a job while you’re a full-time student isn’t for everyone - but there are definitely a ton of benefits to working while you’re in college. Here are the main benefits of finding a side gig. Make That Cash Perhaps the most obvious benefit that comes with a student job is, well, a paycheck. This money can help cover your personal expenses, pay for textbooks and transport, or even go towards tuition, room, and board. This can ease the financial burden of attending college, and maybe reduce the amount of money you owe in loans in the long run. The amount you can make will vary depending on a few important factors, including: Your hourly rate. Some jobs may start at minimum wage, but other positions that require more specialized work (think lab jobs, tutoring, etc.) could pay much more. The number of hours you work. You don’t want your schoolwork and extracurriculars to suffer, but you likely want to maximize the number of hours you work when possible. It'll take some trial and error to figure out how often you want to work. The average working student puts in about 19 hours a week,but you don't necessarily have to work as many hours to reap the benefits of a job. No matter your hourly salary or average number of hours per week, you’ll still be bringing in extra money (which is much better than no money). It’ll be up to you to figure out the balance between your school work and your job. You can read more about this balance by checking out our post on deciding whether to get a student job. Meet New People This is an especially relevant benefit for first-time college students who are looking to make new friends. If you get a job on campus, you’re likely to meet all sorts of people who you already go to school with.Depending on where you work, you may even get to meet university faculty, staff, or grad students. This could be a great opportunity for professional networking. I had a pretty awesome cafe job in college where I met a lot of new friends. I also interacted with professors, TAs, and graduate students regularly. It’s unlikely I would have been able to meet these people in any other setting. Build Your Resume College is the time when most people start to think about building professional experience.Good jobs for college students will help you develop skills and establish a professional reputation. You could start by looking for jobs that align with your professional goals and/or interests - for example, working in a lab in your academic department.If this isn’t a good option, don't worry! You can still build marketable skills for your resume with almost any job. Any leadership, management, or technical skill experiences, in particular, can help you get jobs in the future. Do Better in School This seems counterintuitive - how could a part-time job help you do better in school? It turns out that students who work about 12-15 hours a week do just as well or even better in school than those who don’t have a job. It may be that students who have student jobs are more ambitious or organized to begin with, which could explain why they tend to have better grades.Conversely, getting a job might force you to schedule your time a bit more wisely. There’s an old saying - if you want something done, ask a busy person to do it - that might apply in this case. Have Fun Not all good jobs for college students might be a blast, but if you’re working with a bunch of your peers, you’ll probably have a pretty good time while you work. A student job can serve as a great opportunity to socialize, and even to get away from schoolwork for a while. Back to my collegejob - not only did I have fun working with friends, but we also had parties and other get-togethers with co-workers after we’d closed up shop. Campus jobs can be pretty casual work environments, so it’s often appropriate (depending on the setting, of course) to take advantage of that in order to have a little fun. The Best On-Campus Student Jobs Nowthat we've talked about reasons to get a job, we can get to the list you've been waiting for: the best jobs you can find on campus.Although this list includes the most common positions available at schools, it isn't exhaustive - if you find a job you like that isn't listed here, it doesn't mean it's not a good opportunity! If you are interested in getting a student job, check out these greatpositions to look for. Administrative Assistant There are so many different places for a student to work as an admin assistant on campus. You find these jobs in places like libraries, academic departments, and admissions offices. Some busy professors might also seek personal admin assistants. These jobs probably won’t be very high-paying, but they tend to be low-stress and pretty casual. Ifyou work in an academic department that you’re interested in, you'll have the opportunity to develop some valuable professional connections. Barista I know this is the stereotypical college student job, but hear me out! If you’re a coffee lover (or even if you aren’t), working as abaristaat a college cafe can be a fun, rewarding, and social job. Working as abaristais good training if you want a supplemental part-time job after you graduate. Also, you might even get free coffee at work - it doesn’t get much better than that. Who doesn't want to learn to make a latte like this? Fitness Instructor Many colleges and universities have on-campus fitness centers that offer different types of classes, including yoga, pilates, Zumba, spin, and more. If you’re certified to teach any of these classes, and you enjoy exercise to begin with, you should definitely check this out. Fitness instructor jobs tend to pay a lot per hour, although you may not have the opportunity to work many hours per week. A huge benefit of a job like this? You can kill two birds with one stone: get your exercise in while you work! IT Assistant Schools always need IT help for students and faculty. You’d need some pre-existing skills in order to get a job like this, but if you’re good with computers or have even done IT work in the past, this would be a great fit. Check out your school's IT center for more info. Library Assistant Working in a library may not be very exciting, but it’s generally quiet and low-stress. Downtime is common, which means you can do homework and reading. There are also opportunities to interact with new and interesting people, especially if you chat with students and professors who are working on research.I worked in a library in college and made friends with an elderly librarian who liked to teach me words in Japanese!As "boring" as the library might be, you never know who you'll meet and what you'll learn. Lifeguard If you’re certified as a lifeguard, it’s a no-brainer to check out lifeguarding jobs. This suggestion only applies, obviously, if your school has pools on campus. Becauselifeguarding is a pretty specialized skill, you can expect these jobs to pay a bit more than your average student job. Mail Room Assistant Mail rooms areusually located very close to student dorms, which also makes them conveniently located if you need to run to work after you sleep through your alarm. But there are other benefits to working in the mail room - it's agreat way to meet other people on campus, for one. You also may have down time to work on other stuff, like catching up on your reading for classes. Museum Assistant Many colleges and universities have museums on campus, ranging from small specialized collections to huge, well-known galleries. If you're interested in any museum at your school - whether it's a museum of art, Semitic studies, natural history, Egyptology, or comparative zoology (the list goes on and on) - I would recommend stopping by to see if there are any available positions. I can't think of a cooler place to work! Research Assistant Research assistant jobs are great if you want to develop relationships with professors and/or grad students in your department. They're also a good way to explore interests in research and academia. A research assistant job might be very social (i.e. if you’re running research in the social sciences) or pretty solitary (i.e. if you’re working on an independent project in a chem lab). You may also have opportunities to develop very specialized skills, like using particular software programs or running special data analyses. These could serve you well when you apply to jobs in the future, even if they're just interesting things that set you apart from other applicants. Residential Advisor A residential advisor position is a good option for students who feel comfortable interacting with new people, solving social problems, and serving as part of a support network for their peers. Perks and benefits vary from school to school. You might not get paid in cash, but it’s common forresidential advisors to get free housing. In general, working as a residential advisor isn't a huge time commitment. Teaching Assistant (TA) Certain departments (most oftenmath and computer science departments) sometimes hire experienced upperclassmen to work as teaching assistants. This is obviously great teaching experienceand is a good option for students who are looking for a social, high-responsibility job in a subject that they like. It's also a great way to forge professional connections in your field. TAs responsibilities vary widely depending on their experience and the policies of the department and school - some might just grade papers whereas others might hold office hours or lead small classes. Teaching is a big responsibility, but it can also be a lot of fun. Tour Guide This is a very social job and is great for those who want to develop interpersonal and public speaking skills. If you work for the admissions office, you’ll get to interact with hundreds of students and parents that are interested in your school. There’s often summer work available, which is great if you want to take classes over the summer. It tends to pay pretty well, and many tour guides get to keep tips! Tutor Depending on what sort of organization you work for, this job may be one of the most lucrative options on this list. My only caveat? Freshmen don’t tend to have a ton of tutoring opportunities (because they’re at the bottom of the academic totem pole), but as students get older and take more classes, they develop more expertise in theirparticular majors. The more experience you have, the more in demand you'll be, the more money you can make. Because of this, tutoring tends to pay off even more if you stick with it through college (and even after you graduate). How Do You Find Campus Jobs? Excited to start working yet? Like I mentioned earlier, campus jobs tend to be a bit more casual than your average post-grad gig. That being said, there are a lot of things you should know about the process if you’re serious about seeking out a job. Here, I’ll go over the key things you should know about looking for jobs on your campus. These tips will get you started on the right track. Don't worry, the search won't be this hard. Use Your Personal Connections Your friends, classmates, and peers are all resources. They will be able to offer info on what jobs to check out (and what jobs to stay away from). If you're taking a class with a professor you like, don’t be afraid to approach them about lab or administrative openings. If they don’t have anything available, they could direct you to other professors that may need help. Familiarize Yourself With Campus Resources Chances are your school will have some sort of jobs database available. These databases tend to list both on-campus and off-campus jobs that would be appropriate for students. If you’re not sure how to access this, ask friends or classmates if they know where to find it. If you can’t get good info out of them, reach out to your school’s career center for more info. Check this database regularly - jobs on campus fill up fast, so if you see a job listing that interests you, pounce on it! Start the Process Early Campus jobs tend to hire pretty early in the semester, sostart looking for openings a few weeks before the semester starts. If you’re looking at something more specialized - a research assistant position, for example - don’t be afraid to reach out to professors and/or lab managers via email four to sixweeks before the start of the semester. Know Your Work Study Status Many jobs on campus prefer or require students to have federal work-study awards. You can check out your financial aid package to see if you have a work study award, and if so, how much you have available. If you don’t know how to access your financial aid award, call or email your financial aid officer. For more information on federal work study, check out ourcomplete guide to the program. Locking Down the Job You Want So you've checked out somejobs and found a listing that works for you. The next step is actuallygetting the job, right? The following tips will help you get the job you want if you're offered an interview on campus. Your default should be a professional demeanor and business casual attire.You may be able to dress down a bit depending on where/with whom you’re interviewing - for example, if you’re interviewing at a casual cafe with a student manager. Take your cues from your interviewer. If he or she is more personable and casual, you can let your guard down a bit. If he or she is maintaining a very professional distance, you should do the same. Prepare for the standard interview questions, as well as any specialized questions that apply to that specific job. Examples include: Why are you interested in this job? Why do you think you'd be a good fit for this position? What are your strengths and weaknesses? Be prepared for strange interview questions as well. Casual interviewers sometimes ask more unexpected questions as a way to gauge your personality and fit.When I interviewed for an on-campus cafe in college, I was asked some funny questions, including â€Å"If you were a pastry, which onewould you be and why?† If someone asks a creative question, feel free to get creative with your answers. Don't reveal information that's too personal in an interview, no matter how friendly or casual the setting. Topics that you should steer clear of include significant others, complaints about past job experiences, and family issues. Conversely, don't ask your interviewer about personal information- this can be very off-putting. The more practice you can do before an interview - whether you practice with friends or roommates, or you talk to yourself in the mirror - the better. And if you don't get your dream job after your first interview? Don't let that get you down. Almost everyone has experienced at least one professional rejection - sometimes, certain positions have too many qualified applicants. Think of each interview you complete as great practice for the next one you schedule! Interviews, a.k.a. an excuse you'd have to change out of your collegiate sweatpants. What's Next? If you're considering getting a job in college,you're also probably thinking about balancing your budget. Start by learning more about the federal work study program and the sorts of jobs you can get with a work study award. If you're using your campus job money to help fund your college expenses, we have a lot of great guides for you to check out. Start with our complete guide to paying for college, before learning more about paying for college without loans and paying for college without your parents' help. Want to improve your SAT score by 160 points or your ACT score by 4 points?We've written a guide for each test about the top 5 strategies you must be using to have a shot at improving your score. Download it for free now:

Tuesday, November 5, 2019

About Plato and His Philosophical Ideas

About Plato and His Philosophical Ideas Plato was one of the most famous, respected, and influential philosophers of all time. A type of love (Platonic) is named for him. We know the Greek philosopher Socrates mostly through Platos dialogues. Atlantis enthusiasts know Plato for his parable about it in Timaeus and other descriptions from Critias. He saw tripartite structures in the world around him. His social structure theory had a governing class, warriors, and workers. He thought the human soul contained reason, spirit, and appetite. He may have founded an institution of learning known as the Academy, from which we get the word academic. Name: Aristocles [dont confuse the name with Aristotle], but known as PlatoPlace of Birth: AthensDates 428/427 to 347 B.C.Occupation: Philosopher The Name Plato Plato was originally named Aristocles, but one of his teachers gave him the familiar name, either because of the breadth of his shoulders or his speech. Birth of Plato Plato was born around May 21 in 428 or 427 B.C., a year or two after Pericles died and during the Peloponnesian War. He was related to Solon and could trace his ancestry to the last legendary king of Athens, Codrus. Plato and Socrates Plato was a student and follower of Socrates until 399, when the condemned Socrates died after drinking the prescribed cup of hemlock. It is through Plato that we are most familiar with Socrates philosophy because he wrote dialogues in which his teacher took part, usually asking leading questions the Socratic method. Platos Apology is his version of the trial and the Phaedo, the death of Socrates. The Legacy of the Academy When Plato died, in 347 B.C., after Philip II of Macedonia had begun his conquest of Greece, leadership of the Academy passed not to Aristotle, who had been a student and then teacher there for 20 years, and who expected to follow, but to Platos nephew Speusippus. The Academy continued for several more centuries. Eroticism Platos Symposium contains ideas on love held by various philosophers and other Athenians. It entertains many points of view, including the idea that people were originally doubled some with the same gender and others with the opposite, and that, once cut, they spend their lives looking for their other part. This idea explains sexual preferences. Atlantis The mythical place known as Atlantis appears as part of a parable in a fragment of Platos late dialogue Timaeus and also in Critias. Tradition of Plato In the Middle Ages, Plato was known mostly through Latin translations of Arabic translations and commentaries. In the Renaissance, when Greek became more familiar, far more scholars studied Plato. Since then, he has had an impact on math and science, morals, and political theory. The Philosopher King Instead of following a political path, Plato thought it more important to educate would-be statesmen. For this reason, he set up a school for future leaders. His school was called the Academy, named for the park in which it was located. Platos Republic contains a treatise on education. Plato is considered by many to be the most important philosopher who ever lived. He is known as the father of idealism in philosophy. His ideas were elitist, with the philosopher king the ideal ruler. Plato is perhaps best known to college students for his parable of a cave, which appears in Platos Republic.

Saturday, November 2, 2019

Reflect on the assessment process you use in your own teaching, Essay

Reflect on the assessment process you use in your own teaching, explain using approprite assessment terminology and theories - Essay Example There are about 30-35 adult learners from a mixed diverse group. This group is quite interactive although some have been out of education for a very long time. They require simple and clear explanation. There is a mixture of male and female. During the session learner may require explanation repeatedly. They are quite responsive and have to keep them focus to the lesson. I will also focus on applying learning theories to encourage learners and promote their understanding by modelling and reinforcement of existing knowledge that they have. This session relate to the module by having an understanding of my role and responsibilities as a lecturer. It gives an opportunity to apply learning theories to enhance teaching and learning. It is also related in terms of my lesson planning; structuring my session by recognising learner’s needs and apply relevant learning theories to promote learner’s understanding and learning through observation and modelling. To introduce the four models of working in Partnership in Health and Social Care. Make learners understand the relationships and significance between the four models of working in partnership. Ensure learners understand local strategic partnership and local area agreement. Delivery of lecture and explanation, assessing their knowledge through formal assessment, question and answers and group discussion. With my group of learners I make sure my power point presentation is very clear, ask questions throughout the lecture, group discussion in order to keep them interactive, get all learners involve and concentrate. I will use examples in order to make them reflect on their practice and previous lecture. I also give them more explanation and definition of key words used in the text. This is because some of my learners are non native speakers. I will build learner’s confidence by praising them and encourage them to interact in class activities. I will also