Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 43, Issue 24, Pages 7928-7931Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie0493816
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Refined methyl, ethyl, propyl, 1-butyl, and 2-butyl biodiesels as well as unrefined methyl biodiesels containing glycerides were prepared, and their solvent power was evaluated by measuring the kauri-butanol value. By analysis of the kauri-butanol values of biodiesels with different fatty acid profiles and different alcohol types, some interesting results were obtained. The pure methyl esters have larger kauri-butanol values than those containing glycerides. The unsaturated fatty acid esters have larger kauri-butanol values than saturated fatty acid esters, while the number of double bonds of the unsaturated fatty acid has little effect on the value. The shorter the carbon chain of the fatty acid group or alcohol group, the larger the kauri-butanol value of biodiesel. Biodiesel with straight chains has a larger kauri-butanol value than that with branched chains.
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