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Ethanol in our Lives. April 4, 2005 The Metabolisms 2 Names of Team Members. Ethanol as a fuel additive. Goals & Purposes. General overview Ethanol as a fuel additive Benefits Drawbacks Educating audience Knowledge is power!. What is Ethanol?. Produced from corn or sugarcane
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Ethanol in our Lives April 4, 2005 The Metabolisms 2 Names of Team Members Ethanol as a fuel additive
Goals & Purposes • General overview Ethanol as a fuel additive • Benefits • Drawbacks • Educating audience • Knowledge is power!
What is Ethanol? • Produced from corn or sugarcane • Known as “grain alcohol” • Clear, colorless liquid • Boiling point = 78.5 C • Water soluble • Density = .79g/cm3 • Least toxic • Generally tasteless
Guess the Ethanol -OR- Food Extracts Canned Meat
Guess the Ethanol -OR- Laundry Detergent Water Softener Salt
Guess the Ethanol -OR- Ant Poison Hairspray
Guess the Ethanol -OR- Ice Packs Vinegar
Pharmaceutical products Cosmetics Alcoholic beverages Perfume Varnish Fuel additive/extender Uses of Ethanol • Paints • Polyester fiber/films • Ink • Anti-freeze
Ethanol as a Fuel • Gasoline Extender • Gasoline Additive • Fuel Cells • Foreseen Uses
History of Ethanol • Henry Ford built first ethanol-fueled automobile • Tax increase • World War II • 1970 Oil Crisis
Chemical Make-up Ethyl Group • H – C – C – O – H H H | | | | H H C2H5OH + 3 O2 2 CO2+ 3 H2O + heat
Dry Milling Breaking down corn Liquefaction How is Ethanol Made? • Preparing the feedstock Wet Milling Presoaked corn 2. Fermenting simple sugars 3. Recovering the alcohol 4. Recovering non-alcohol materials
Pros vs. Cons Advantages: • Could cut U.S. trade deficit • Will create jobs • Environmentally friendly • Reduces U.S. dependences • Safe for all engines Disadvantages: • Amount of energy • Not widely available • Not compatible with all automobiles
In Conclusion … • Advantages outweigh the disadvantages • Cost • Benefits: • Environmentally • Economically
Bibliography American Coalition for Ethanol. Ethanol.org. http://www.ethanol.org. (Accessed March 2005.) Baird, Colin. Gloffke, Wendy. Chapter 6: The Oxygen-Containing Organic Compounds We Drink, Smell, and Tast. Chemistry in Your Life. W.H. Freeman and Company. New York, 2003. The Henry Ford Institution. The Henry Ford. http://www.hfmgv.org/visit/default.asp. (Access April 2005.) Manitoba Business Information Service. Manitoba Energy, Science and Technology Homepage. http://www.gov.mb.ca/est/energy/ethanol/elinks.html. (Accessed April 2005.) Minnesota Corn Growers. Ethanol: Fuel that helps our economy go. http://mncorn.org/servlet/mcga/resource/ethanol.iml.(Accessed April 2005.) Tran, Anh. Ethanol. http://www.rvgs.k12.va.us/faculty/aschuetz/physics/STS/tri2_2002/STS%20repository/Anh/My%20Webs/ethanol.htm. (Accessed April 2005.)