Renewable and recyclable sourced fuels are now recognized as being an important part of U.S. as well as global energy plans. As such, fats, oils, and recycled greases are feedstocks now used as biofuels. Biodiesel is defined as a monoalkyl ester of long-chain fatty acids that are derived from animal fats, vegetable oils, and recycled cooking oils/restaurant grease. Production by the reaction of a fat or oil with an alcohol in the presence of a catalyst results in an alternative or additive fuel to petroleum diesel. The methyl esters produced by this same process are used in a broad area of industrial chemicals for use as solvents and cleaners.
The use of rendered animal fats as burner fuel resources that are alternatives to natural gas, #2 fuel oil, and #6 fuel oil has now evolved as a viable and often economical use of feedstocks for energy alternatives. Both the protein and fat fractions from rendered animal byproducts have potential for generation of captured energy. The lipid factions, however, have many more opportunities for use of this resource.
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