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发明公开
CN102015615A 使用脂肪酸制备脂肪酸烷基酯的方法 无效 - 驳回 复审申请

使用脂肪酸制备脂肪酸烷基酯的方法
摘要：
本发明公开制备用于生物柴油的脂肪酸烷基酯的方法，其中脂肪酸、具体地说脂肪酸馏出物与醇在金属催化剂、而不是常规的酸或固体酸催化剂的存在下反应。所述方法不需要甘油纯化过程并且具有优异的脂肪酸转化率。用于制备脂肪酸烷基酯的方法包括在金属催化剂的存在下进行脂肪酸原料与醇的酯化反应的步骤。优选地，所述酯化反应在200～350℃的温度和大气压到10巴的压力下进行，并且所述金属催化剂为含有选自如下的金属的化合物：钴、铁、锰、锌、钛、以及它们的混合物。
摘要（英）：

A method for preparing fatty acid alkyl ester for bio-diesels is disclosed, wherein fatty acid, specifically fatty acid distillate reacts with alcohol in the presence of metal catalyst instead of conventional acid or solid acid catalyst. The method does not require the glycerin purification process, and has the superior conversion ratio of fatty acid. The method for preparing fatty acid alkyl ester comprises the step of carrying out an esterification reaction of fatty acid raw material with alcohol in the presence of metal catalyst. Preferably, the esterification reaction is carried out at the temperature of 200 to 35O0C and the pressure of atmospheric pressure to 10 bar, and the metal catalyst is a compound containing metal selected from the group consisting of cobalt, iron, manganese, zinc, titanium and mixture thereof.

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