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由乳酸铵直接合成乳酸乙酯的研究

Synthesis of ethyl lactate from ammonium lactate directly

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【Author】 ZHONG Hong-qi,Gao Jing~(1,2),Zhou Li-ya~1,Huang Zhi-hong~1,Zhao Xue-ming~2(1.School of Chemical Engineering and Technology,Hebei University of Technology,Tianjin 300130,China;2.School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)t

【机构】河北工业大学化工学院；天津大学工学院天津300130；天津300130；天津大学工学院；天津300072；

【Abstract】 This paper described a new method for preparation of ethyl lactate from ammonium lactate directly by means of reactive distillation in the presence of anhydrous aluminium chloride as catalyst and benzene as dehydrating agent.The result showed this method had the advantages of high pure,easy operation,and no pollution.The yield of ethyl lactate reached up to 28.14%,which was 50% higher 50% than that in ordinary reactive device.更多还原

【关键词】乳酸乙酯；乳酸铵；三氯化铝；反应精馏；
【Key words】 enhyl lactate； ammonium lactate； aluminium chloride； reactive distillation；

【基金】国家自然科学基金重点资助项目(20036010);河北省教育厅自然科学研究计划项目(2002150)

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2006年03期

【分类号】O623.624
【被引频次】10
【下载频次】255

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