摘要
研究了以负载杂多酸催化合成乙酸乙酯的反应,探讨了不同催化剂、原料配比、催化剂用量、反应时间及催化剂重复使用次数等对酯化率的影响.研究发现,负载杂多酸催化剂对乙酸乙酯的合成具有催化活性高、选择性强、不腐蚀设备、不污染环境、可重复使用等特点.在SiW12/C催化剂用量为乙酸质量的6%时,回流3h.酯化率可达94.4%.
The reaction of heteropolyacid supported as catalytic materials for syntesis of ethyl acetate was studied, and the efferts of different concentration of catalyst, materials volume ratio, catalyst amount, reaction time and catalyst reuse cyles on yield of ethyl acetate were discussed. The catalyst had definite regeneration behavior and strong catalytic activity, strong selection, no corroding equipment, no polluting enviroment, reusing cyles and so on after reaction. Yield of ethyl acetate can reach 94.4% under proper conditions.
出处
《湖南城市学院学报（自然科学版）》
CAS
2005年第3期58-59,共2页
Journal of Hunan City University:Natural Science
基金
湖南省教育厅科研基金资助项目(03C115)
湖南城市学院科研基金资助项目
关键词
负载杂多酸
乙酸
乙醇
乙酸乙酯
Heteropolyacid supported
catalyst
ethyl acetate
作者简介
曹忠良（1961- ）,女,湖南南县人,高级实验师,主要从事杂多酸催化性能的研究.
