Biofuels Hwang, Ha-Kyung AP Bio, per.1 June 6, 2009.

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Presentation transcript:

Biofuels Hwang, Ha-Kyung AP Bio, per.1 June 6, 2009

History of Biofuels

1900s Rudolf Diesel first thought of using vegetable oil Arab oil embargo Iranian Revolution

1982 the first International Conference on Plant and Vegetable Oil was held 1998 the Clean Air Act and Energy Policy Act were amended

Various Types of Biofuels

Biodiesel is made with used vegetable oil Bioalcolhol biologically produced alcohol Biogas created when an anaerobe digests an organic material Ethanol the most commonly used biofuel in the world; usually made from maize

How to make Biofuels

1. Filtering 2. Water removal 3. Titration 4. Preparation of Sodium Methoxide 5. Mixing and Heating 6. Transesterification

Benefits & Drawbacks

Biodegradable Might end dependency on foreign countries Potentially unlimited / renewable source of energy Improves the engine’s lubricity

Increases green house effect Causes deforestation Destroys biodiversity Results in shortage of food

Should we use the biofuels?