乙酸正丁酯催化合成的探讨

Research on Catalytic Esterification for Preparing Butyl of Acetic Acid with HPC-12

本文报道了新型催化剂Ti(Al)SiW_(12)O_(40)/TiO_2的制备方法,实验考察了该催化剂催化合成乙酸正丁酯的醇酸比、催化剂用量、带水剂,反应时间等因素对酯收率的影响。实验表明:在以苯为带水剂时催化剂的用量为反应液的0.36％,醇酸摩尔比为1.10:1,酯化反应时间为1.5hour,乙酸正丁酯的收率达79.0％,超过以浓硫酸、磷钨酸催化的水平。

In this paper,HPC-12 Catalyst is prepared and is used as the catalyst for preparing butyl ester of acetic acid. The optimal condition are:more ratio of butyl alcohol to acetic acid 1. 10 : 1,the quantity of catalyst to feedstock 0. 36% (wt. ) ,hydrocarrying agent benzene and the reaction time 1. 5 hours.