Biodiesel fuel

Details Biodiesel fuel Biodiesel fuel

1995-06-07

1996-11-26

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Plant or animal extract mixtures or extracts of...

44388, 44398, C10L 118

Patent

active

055780903

ABSTRACT:
A fuel additive composition including fatty acid alkyl esters and glyceryl ethers, and an alternative fuel composition that includes the fuel additive composition. Also provided is a method for preparing the fuel additive composition and the alternative fuel composition. In one embodiment, the fuel additive composition is prepared by esterifying free fatty acids and etherifying glycerol with one or more olefins in the presence of an acid catalyst. In one embodiment, the fuel additive composition can be thermally cracked under conditions of increased temperature and/or pressure in the presence of a Lewis acid catalyst. In another embodiment, the fuel additive composition is hydrocracked. The resulting fuel additive composition can be blended with diesel fuel to produce an alternative fuel composition. In one embodiment, the alternative fuel composition includes between approximately 25 and 95 percent diesel fuel and between approximately 5 and 75 percent of the fuel additive composition.

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Clark, S. J. et al., "Methyl and Ethyl Soybean Esters as Renewable Fuels for Diesel Engines," JAOCS, vol. 61, No. 10(1984), pp. 1632-1638.
Holmberg, William C. et al., "Biodiesel: A Technology, Performance, and Regulatory Overview," American Biofuels Association Information Resources, Inc., 1994, pp. 1-52.
Korus, Roger A. et al., "Transesterification Process to Manufacture Ethyl Ester of Rape Oil," First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, Proceedings vol. II, 1993, pp. 815-826.
Peterson, C. L. et al., "Batch Type Transesterification Process for Winter Rape Oil," American Society of Agricultural Engineers, vol. 7, No. 6, 1991, pp. 711-716.

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