Lecture 3 Adipic Acid 020410

Lecture 3 Adipic Acid 020410 - Lecture #3 Conversion of...

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Lecture #3 – Conversion of Cyclohexene to Adipic Acid
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By the way… n Notebook write-up is brief, especially the conclusions n Quiz next week on labs 1-3
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Agenda n Green Chemistry n Filtration n Recrystallization n Melting point
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What does green mean to you? n Natural n Recyclable n Renewable n Non-toxic n Non-polluting n Safer for workers and consumers
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Why do we need to go green ? n A few unpleasant events in history…
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Cuyahoga River Fires 10 fires since 1868
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Tennessee Coal Ash Sludge Spill (2008) Arsenic and Heavy Metals Pollute Water Supply
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What is a Superfund Site? n A Superfund site is any land in the United States that has been contaminated by hazardous waste and identified by the Environmental Protection Agency (EPA) as a candidate for cleanup because it poses a risk to human health and/or the environment. "There are tens of thousands of abandoned hazardous waste sites in our nation, and accidental releases occur daily.” n There are currently 1245 Superfund Sites on the National Priorities List n For more information: ¨ http://www.epa.gov/superfund/
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Superfund Sites in New York Map Key: Proposed: 1 Final: 14 Deleted: 3
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Superfund Sites in Massachusetts n 1245 Superfund Sites On EPA National Priority List n 32 Sites in Massachusetts
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Superfund Sites in New Jersey
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Superfund Sites in California Map Key: Proposed: 2 Final: 94 Deleted: 11
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Superfund Sites in Connecticut Map Key: Proposed: 1 Final: 14 Deleted: 3
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Curious about your state? n http://www.epa.gov/superfund/sites/npl/npl .htm
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Green Chemistry Green chemistry is the utilization of a set of principles that reduces or eliminates the use or generation of hazardous substances in the design, manufacture and application of chemical products .” - Paul T. Anastas, Environmental Protection Agency
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What is “Green Chemistry”? ¨ any chemical process that is cleaner and more environmentally friendly than traditional processes ¨ Started about 40 years ago ¨ limit the negative impact that chemistry and chemical production have on the environment
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12 Principles of Green Chemistry n Waste Prevention n Atom Economy n Less Hazardous Synthesis n Design Safer Chemicals n Safer Solvents and Auxiliaries n Energy Efficiency n Renewable Feedstocks n Reduce Derivatives n Catalysis n Design for Degradation n Real-Time Analysis n Accident Prevention
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12 Principles of Green Chemistry n Waste Prevention n Atom Economy n Less Hazardous Synthesis n Design Safer Chemicals n Safer Solvents and Auxiliaries n Energy Efficiency n Renewable Feedstocks n Reduce Derivatives n Catalysis n Design for Degradation n Real-Time Analysis n Accident Prevention
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Examples of Green Chemistry Hydrogen-powered car of today only by-product produced when burning hydrogen is water initially conceived of in the late 1950s Got a boost in the 1970s OPEC decided not to supply oil to countries that supported Israel
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This note was uploaded on 06/28/2010 for the course CHEM 258 taught by Professor Taylor during the Spring '10 term at Wesleyan.

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Lecture 3 Adipic Acid 020410 - Lecture #3 Conversion of...

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