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新型高效乙酸丁酯合成固体酸催化剂及其反应工艺
引用本文:胡健平,储伟,邱发礼,陈庆龄.新型高效乙酸丁酯合成固体酸催化剂及其反应工艺[J].化学研究与应用,2000,12(6):671-673.
作者姓名:胡健平  储伟  邱发礼  陈庆龄
作者单位:1. 中国科学院成都有机化学研究所,四川,成都,610041
2. 上海石油化工研究院,上海,201208
基金项目:中国科学院资助项目,29773046,
摘    要:酯化反应是精细化学工业中极为重要的一类反应 ,目前工业上均在硫酸液相催化下直接酯化制取。硫酸腐蚀反应器 ,污染环境 ,随着环保法规的不断完善 ,开发可替代硫酸的新型催化体系已成为现代化学工业中普遍关注的新趋势。目前的研究工作主要集中在以固体酸 (尤其是 SO2 - 4/Mx Oy 型固体酸 )替代硫酸催化酯化反应 1~ 8]。我们制得了一种新型 SO2 - 4/Fe2 O3- Zr O2 - Si O2 催化剂9] ,该催化剂催化乙酸 /丁醇酯化反应表现出良好的转化率、选择性、酯收率。考察了反应温度、反应时间、催化剂加入量等对乙酸 /丁醇酯化反应的影响 ,并考…

关 键 词:酯化反应  反应工艺  乙酸乙酯  合成  固体酸催化剂
修稿时间:2000-05-04

NOVEL SOLID-ACID CATALYSTS OF HIGH EFFICIENCY FOR BUTYLACETATE SYNTHESIS AND THE REACTION PROCESSES
HU Jian-ping,CHU Wei,QIU Fa-li,CHEN Qing-ling.NOVEL SOLID-ACID CATALYSTS OF HIGH EFFICIENCY FOR BUTYLACETATE SYNTHESIS AND THE REACTION PROCESSES[J].Chemical Research and Application,2000,12(6):671-673.
Authors:HU Jian-ping  CHU Wei  QIU Fa-li  CHEN Qing-ling
Abstract:A new type solid-acid of SO2-4/Fe2O3-ZrO2-SiO2 was prepared through coprecipitation-impregnation method and applied to catalyze the esterif ication of acetic acid and butanol.The following reaction conditions such as rea ction temperature,amount of catalyst,reaction time were examind.The conversion o f HAc,yield of butylacetate and selectivity of butylacetate could reach 98.17%,94 .28% and 96.04% respectively.In addition,the usage life was examined.The main re as on of deactivity of the catalyst maybe due to the loss of surficial SO2- 4 which is likely one of the active components.The catalysts were characterized via XPS,XRD,TGA and BET.The components of catalyst exist mainly as amorphous state.The active structure of catalyst may contain the following components as Fe,Zr,Si,O and SO2-4.
Keywords:solid  acid  esterification  active  component  reaction  process  high  yi0  
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