化工进展

• 工业催化 • 上一篇    下一篇

气相合成邻甲(乙)氧基苯酚催化剂的研究进展

朱小梅1,孙 冰1,许海梁1,邹秀晶2,李雪梅3   

  1. 1大连海事大学环境科学与工程学院,辽宁 大连 116026;2上海大学上海市现代冶金与材料制备重点实验室,上海 200072;3上海华谊丙烯酸有限公司,上海 201208
  • 出版日期:2010-12-05 发布日期:2010-12-05

Progress in catalysts for vapour-phase synthesis of guaiacol (guathol)

ZHU Xiaomei1,SUN Bing 1,XU Hailiang1,ZOU Xiujing2,LI Xuemei3   

  1. 1College of Environmental Science & Engineering,Dalian Maritime University,Dalian 116026,Liaoning,China;2 Shanghai Key Laboratory of Modern Metallurgy and Materials Processing,Shanghai University,Shanghai 200072,China;3 Shanghai Huayi Acrylic Acid Co. Ltd.,Shanghai 201208,China
  • Online:2010-12-05 Published:2010-12-05

摘要:

综述了气固相法合成邻甲(乙)氧基苯酚反应过程、所用的催化剂及反应机理的研究进展情况。主要介绍了高岭土、水滑石、氧化物、分子筛、磷酸盐等催化剂体系对邻苯二酚与甲(乙)醇(或碳酸二甲酯)气相合成邻甲(乙)氧基苯酚的催化性能。其中,磷酸盐系催化剂是目标反应中催化性能较好的催化剂,其转化率和选择性可达到90%以上,寿命可达2000 h以上,有希望应用于工业生产。简要说明了该反应的机理研究情况,弱酸-弱碱中心的共同存在对反应更有利。

Abstract:

Progress in vapour-phase synthesis of guaiacolguatholfrom catecholcatalysts for the reaction and the reaction mechanism study are reviewed. Catalysts for the reactionincluding kaolinhydrotalciteoxidemolecular sievephosphate are particularly summarized. Phosphate catalysts showed the highest catalytic performanceboth catechol conversion and guaiacolor guatholselectivity were higher than 90%and the catalyst kept stable for longer than 2000 hwhich exhibited a foreground for industrial application. The mechanism study revealed that the weak acidic-basic characteristics of the catalysts may account for the high selectivity and the excellent durability.

京ICP备12046843号-2;京公网安备 11010102001994号
版权所有 © 《化工进展》编辑部
地址:北京市东城区青年湖南街13号 邮编:100011
电子信箱:hgjz@cip.com.cn
本系统由北京玛格泰克科技发展有限公司设计开发 技术支持:support@magtech.com.cn