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Biofuels: Optimism and Concerns - Desert Research Institute

Biofuels: Optimism and Concerns - Desert Research Institute

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Major <strong>Biofuels</strong> Production Pathways<br />

Feedstock Process Main Fuel Products<br />

Starch, Sugar<br />

Corn, sugar cane,<br />

sorghum, etc.<br />

Lignocellulose<br />

Wood waste<br />

Grasses<br />

Trees<br />

Ag. waste<br />

Triglycerides<br />

Vegetable oils<br />

Animal fats<br />

Algal lipids<br />

Hydrolysis/<br />

Fermentation<br />

Biochemical<br />

Pretreatment<br />

Enzymatic Hydrolysis<br />

Fermentation<br />

Thermochemical<br />

gasification<br />

pyrolysis<br />

Transesterification<br />

Hydroprocessing<br />

Ethanol<br />

Ethanol<br />

Alcohols,<br />

Hydrocarbons<br />

Fatty Acid Methyl<br />

Esters (Biodiesel)<br />

Hydrocarbons<br />

(Renewable Diesel)<br />

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