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PROCESS FOR PRODUCING BIODIESEL WITH IMPROVED FILTRATION CHARACTERISTICS AND BIODIESEL THUS PRODUCED
PROCESS FOR PRODUCING BIODIESEL WITH IMPROVED FILTRATION CHARACTERISTICS AND BIODIESEL THUS PRODUCED
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机译:具有改善的过滤特性的生物柴油的生产方法以及由此产生的生物柴油
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摘要
A process for the production and purification of fatty acid esters of lower alkyl alcohols with improved filtration characteristics comprising the steps of: a) transesterifying a mixture of fatty acid esters of glycerol with a lower alkyl alcohol while using an alkaline catalyst; b) separating the reaction mixture resulting from step (a) into a glycerol phase and a fatty acid lower alkyl ester phase; c) inactivating the catalytic intermediates present in said fatty acid lower alkyl ester phase; d) removing the lower alkyl alcohol from the mixture resulting from step (c) by evaporation at reduced pressure to a value of less than 2% by weight; e) treating the evaporation residue resulting from step (d) with water; and f) isolating the fatty acid esters of lower alcohols by drying the product resulting from step (e); and biodiesel containing FAME produced according to this process.
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