FAME of lard, beef tallow, and chicken fat were prepared by base-catalyzed transesterification for use as biodiesel fuels. Selected fuel properties of the neat fat-derived methyl esters (B100) were determined and found to meet ASTM specifications. The cold-flow properties, lubricity, and oxidative stability of the B100 fat-derived fuels also were measured. In general, the cold-flow properties of the fat-based fuels were less desirable than those of soy-based biodiesel, but the lubricity and oxidative stability of the fat-based biodiesels were comparable to or better than soy-based biodiesel. Nitrogen oxide (NO X) emission tests also were conducted with the animal fat-derived esters and compared with soybean oil biodiesel as 20 vol% blends (B20) in petroleum diesel. The data indicated that the three animal fat-based B20 fuels had lower NO X emission levels (3.2-6.2%) than did the soy-based B20 fuel. Copyright © 2005 by AOCS Press.
CITATION STYLE
Wyatt, V. T., Hess, M. A., Dunn, R. O., Foglia, T. A., Haas, M. J., & Marmer, W. N. (2005). Fuel properties and nitrogen oxide emission levels of biodiesel produced from animal fats. JAOCS, Journal of the American Oil Chemists’ Society, 82(8), 585–591. https://doi.org/10.1007/s11746-005-1113-2
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