硫酸高铈催化合成乙酸丙酯.pdf

文档介绍：2015 2 Feb. 2015

23 年月2 INDUST工RI 业AL 催CA 化TALYSIS Vol. 23 No. 2
第卷第期
精细化工与催化
硫酸高铈催化合成乙酸丙酯
1 2
訾俊峰* ,宋少堂
1. 461000 2. 461000
( 许昌学院化学化工学院,河南许昌; 河南省农科院烟草研究所,河南许昌)

摘要:以硫酸高铈为催化剂,冰乙酸和正丙醇为原料,环己烷为带水剂合成乙酸丙酯,研究正丙醇
与冰乙酸物质的量比、反应时间、催化剂用量及重复使用次数对酯化率的影响。经正交实验及单因
0. 1 mol 1. 5 1. 1 g
素实验得到反应的最佳合成条件为:冰乙酸用量,醇酸物质的量比,硫酸高铈用量,
2. 0 h 99%
反应时间,此条件下,酯化率约为。该催化剂具有催化活性高、操作简单和不污染环境
等优点。
关键词:精细化学工程;硫酸高铈;冰乙酸;正丙醇;乙酸丙酯
10. 3969 / j. issn. 1008-1143. 2015. 02. 016
doi:
O623. 624 + 1 O643. 36 A 1008-1143 2015 02-0156-03
中图分类号: ; 文献标识码: 文章编号: ( )
Synthesis of propyl acetate catalyzed by ceric sulfate
1 2
Zi Junfeng * ,Song Saotang
1. School of Chemistry and Chemical Engineering Xuchang University Xuchang 461000 Henan China
( , , , , ;
2. o Research Institute Henan Academy of Agricultural Sciences Xuchang 461000 Henan China
, , , , )
Using ceric sulfate as the catalyst glacial acetic acid and -propyl alcohol as raw materials and
Abstract: , n
cyclohexane as water carrying agent propyl acetate was synthesized by esterification reaction. The
,
influence of molar ratio of -propyl alcohol to glacial acetic acid reaction time ceric sulfate dosage and
n , ,
repeated use times on the esterification rate was investigated. The optimal condition of the esterification
reaction was determined by orthogonal tests and single factor experiments. The re