ACEE219_Week13_new

ACEE219_Week13_new - ACEE 219 ACEE 219 Environmental...

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Unformatted text preview: ACEE 219 ACEE 219 Environmental Chemistry Environmental Chemistry Week 13 May 25, 2010 novation Hall 127 ACEE 219 Spring 2010 HDP 1 Innovation Hall 127 erm Project erm Project Term Project Term Project 1. Submit a proposal on the reduction of phosphorus in wastewater treatment satisfying the regulation enforced by the orean Ministry of Environment Korean Ministry of Environment. (due date: June 8) resent the summary of the proposal 2. Present the summary of the proposal. (date: June 8 and 10) . Refer to the handout for a specific 3. Refer to the handout for a specific requirement . ttp://www saawinternational org/eutrophication jpg ACEE 219 Spring 2010 HDP 2 http://www.saawinternational.org/eutrophication.jpg xidation xidation eduction eduction Oxidation Oxidation-Reduction Reduction edox horthand for reduction xidation reaction) describes all chemical • Redox (shorthand for reduction-oxidation reaction) describes all chemical reactions in which atoms have their oxidation number (oxidation state) changed. (Wikipedia) • This can be either a simple redox process such as the oxidation of carbon to yield carbon dioxide or the reduction of carbon by hydrogen to yield methane (CH ), or it can be a complex process such as the oxidation of sugar in the ( 4 ), p p g human body through a series of very complex electron transfer processes. (Wikipedia) http://www.stanford.edu/group/psa/e vents/2007-08/4shanbeh/bonfire.jpg ttp://www kolonconstruction co kr ACEE 219 Spring 2010 HDP 3 Rusting Iron A bonfire A biological wastewater treatment http://en.wikipedia.org/wiki/File:RustChain.JPG http://www.kolonconstruction.co.kr xidation xidation eduction eduction Oxidation Oxidation-Reduction Reduction edox reactions are important in the behavior of compounds containing • Redox reactions are important in the behavior of compounds containing “ carbon ”, “ nitrogen ”, “ sulfur ”, “ iron ”, and “ manganese ” • edox reactions are important in sediments, anoxic- xic overturns of lakes, Redox reactions are important in sediments, anoxic oxic overturns of lakes, acid mine drainage, and migration of landfill chemicals as well as biologically mediated reactions....
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ACEE219_Week13_new - ACEE 219 ACEE 219 Environmental...

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