Catalytic Synthesis of Butyl Acetate by Bismuth Phosphotungstate

Journal of Liaoning Petrochemical University ›› 2012, Vol. 32 ›› Issue (4): 1-3.

Catalytic Synthesis of Butyl Acetate by Bismuth Phosphotungstate

LAI Jun-ling, WANG Jing, LUO Gen-xiang, ZHANG Shao-hua

School of Chemistry and Materials Science, Liaoning Shihua University，Fushun Liaoning 113001，P.R.China

Received:2012-06-12 Published:2012-12-20 Online:2017-07-06

磷钨酸铋催化合成乙酸正丁酯

赖君玲，王　婧，罗根祥，张少华

辽宁石油化工大学化学与材料科学学院，辽宁抚顺１１３００１

作者简介:赖君玲（１９７６－），女，辽宁大石桥市，副教授，在读博士

Abstract

Abstract: The catalyst bismuth phosphotungstate was prepared and characterized by XRD and TGA, then its catalytic performance was evaluated with the esterification of n-butanol and acetic acid. The effect of different phosphotungstates, molar ratio of acid to alcohol, the catalyst amount and reaction time on catalytic performance were investigated. The experiment results show that the yield of esterification can reach 92.4% under the following conditions: molar ratio of acid to alcohol 1∶1.5, catalysts amount 8wt% (based on acetic acid), reaction time 45 min under reflux.

Key words: 　Bismuth phosphotungstate , Catalysis , Esterification , Butyl acetate

摘要： 制备了磷钨酸铋催化剂，进行了ＸＲＤ和ＴＧ表征，并对正丁醇和乙酸的酯化反应进行了研究。系统考察了磷钨酸盐的种类、酸醇物质的量比、催化剂质量和反应时间对酯化率的影响。实验结果表明，酸醇物质的量比为１∶１．５，催化剂质量为油酸质量的８％，在回流温度下反应时间４５ｍｉｎ，酯化率最高可达到９２．４％。

关键词: 　磷钨酸铋 , 　催化 , 　酯化反应 , 　乙酸正丁酯

LAI Jun-ling, WANG Jing, LUO Gen-xiang, ZHANG Shao-hua. Catalytic Synthesis of Butyl Acetate by Bismuth Phosphotungstate[J]. Journal of Liaoning Petrochemical University, 2012, 32(4): 1-3.

赖君玲，王　婧，罗根祥，张少华. 磷钨酸铋催化合成乙酸正丁酯[J]. 辽宁石油化工大学学报, 2012, 32(4): 1-3.

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