| http://www.w3.org/ns/prov#value | - Typically, alkali or acid catalysts are combined with a triacylglycerol and a short chain alcohol such as methanol to generate fatty acid methyl esters (biodiesel) and glycerol.Download figure to PowerPointThe chemical composition of crude glycerol mainly varies with the type of catalysts, the transesterification efficiency, recovery efficiency of biodiesel, methanol and catalysts, and impurities
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