Multicomponent distillation 1) Mass balances The feed flowrate is 350 kmols hr-1 and the feed composition is known: 48 mol% propene‚ 50 mol% propane and 2 mol% butane. The distillate stream composition: 99.9 mol% propene and 0.1 mol% propane. The bottom product stream contains 0.5 mol% propene but the mole fractions of propane and butane are unknown. Therefore‚ mass balances are carried out around the distillate column. Overall mass balance: F=D+B Component mass balance for propene: xFF=yDD+xBB
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Until the 1960s‚ the radio was the only significant electronics in an automobile. All other functions were entirely mechanical or electrical‚ such as the starter motor and the battery charging systems. There were no “intelligent safety systems‚” augmenting the bumper and structural members to protect occupants in case of accidents. Seat belts‚ introduced in the early 1960s‚ were for improving occupant safety and actuated completely mechanically. The driver or one of several mechanical control
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Executive Summary Background Waste Management‚ Inc.‚ founded in 1894‚ offers environmental services to nearly 20 million residential‚ industrial‚ commercial‚ and municipal customers in the US‚ Canada‚ and Puerto Rico. With a large customer base‚ it is difficult to picture such a large company committing fraud. However‚ between the years of 1992 and 1997‚ several chief officers in the company engaged in a systematic scheme to falsify and misrepresent Waste Management’s financial results. Heading
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important to ensure everyone’s safety from possible health hazards. The improper waste disposal of garbage is a major sociological problem today due to its capability of contaminating the area in which we live and it’s potential to be lethal to all living things. Its effects increase the risk of adverse health effects in humans and animals‚ causes damage to eco-systems and accelerate the destruction of our environment. The more waste we generate‚ the more we have to dispose of. Bauleni houses many people
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to third world countries‚ this is called e-waste. If you don’t want this to happen‚ you can go to The Basil Action Network (BAN)‚ a company that is online and they will have a list of approved recycling centers for all your electronic equipment. “BAN is the world’s only organized group that is focused on confronting global injustice of toxic trade‚ and its impact on the environment.” When I looked further into what the government is doing about e-waste‚ I found that the Environmental Protection
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For my behavioural modification assignment I chose to reduce my level of sassiness. According to Dictionary.com (2015) sassiness or to be sassy means a person is sarcastic‚ funny‚ and occasionally blunt but very charming at the same time. The word sassy has recently reached its climax in popularity‚ although it is often negatively affiliated with strong feminist woman. Many celebrities are known for their sassy replies‚ for instance‚ Rihanna. The word sassy is relatively new‚ its origin is unknown
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Mumbai’s Waste Disposal Problems The 110 hectare Deonar dumping ground rises up to seven stories high‚ the dumping ground was opened in 1927 and accepted approximately 1‚450‚000 tonnes of waste in 2006. Currently‚ the site has approximately 9.2 million tonnes of waste in place. Dr Neelam Rane‚ vice-president of Smoke Affected Residents Forum (SARF)‚ said‚ "Until now‚ we were agitated because garbage from all over the city was dumped but now we find even bio-medical waste is being incinerated here
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1-51 Professional Ethics and Toxic Waste 1. Discuss why Rachel has an ethical responsibility to take some action about her suspicion of the illegal dumping of toxic wastes. Rachel has an ethical responsibility to take some action about her suspicion of the illegal dumping of toxic wastes because it is illegal to begin with and even though it might only be a suspicion‚ if it turns out to be true‚ under the eyes of the law if she knew about it and did nothing‚ she is just as guilty as the responsible
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In 2013‚ the Institute of Mechanical Engineers from the United Kingdom reported that over half of the world’s food ends up in the garbage bin‚ with around 1.2 billion tonnes never making it onto a plate. The main causes of this problem is very strict use-by or expiration dates‚ and our obsession with wanting aesthetically perfect food. For example‚ fruits and vegetables that are still edible‚ nutritious and tasty are often discarded because they are slightly bruised or deformed. Pictured above:
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electronic wastes. E-Waste refers to electronic products nearing the end of their useful life which includes computers‚ printers‚ scanners‚ or any electronic products. Today‚ the world has been embracing the age of technological changes. Such changes are adopted by various business establishments particularly Internet Cafes; leading them in replacing obsolete electronic equipments to newer ones ‚ creating large tons of e-wastes‚ which in turn demands the challenge of having a proper e-waste management
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