Production isolation and purification of ethanol to

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production, isolation and purification of ethanol to be used as renewable  energy. Biomass Plant materials and animal waste used as a source of fuel. Biotechnology The manipulation (as through genetic engineering) of living organisms or  their components to produce useful, usually commercial, products such as  pest resistant crops, new bacterial strains, or novel pharmaceuticals. Condensation The conversion of a substance (as water) from the vapor state to a denser  liquid or solid state usually initiated by a reduction in temperature of the  vapor. Distillation The process of purifying a liquid by successive evaporation and  condensation. Ethanol A colorless volatile flammable liquid C 2 H 5 OH that is used as a solvent in fuel. Fermentation An enzymatically controlled transformation of an organic compound. Lactic acid fermentation Process carried out by yeast and other bacteria when oxygen is not present. Purification To free from undesirable elements. Vaporization Evaporation; a substance in the gaseous state as distinguished from the  © 2015 Project Lead The Way, Inc. Environmental Sustainability Lesson 4.3 Ethanol Biofuels Key Terms – Page 1
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liquid or solid state. © 2015 Project Lead The Way, Inc. Environmental Sustainability Lesson 4.3 Ethanol Biofuels Key Terms – Page 2
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