乙苯氧化脱氢制苯乙烯催化剂

化工进展

乙苯氧化脱氢制苯乙烯催化剂

张赪，余少兵，郝小明，宗保宁

中国石化集团北京燕山石油化工有限公司；石油化工科学研究院

出版日期:2006-11-25 发布日期:2006-11-25

Catalysts for ethyl benzene oxydehydrogenation to styrene

ZHANG Cheng，YU Shaobing，HAO Xiaoming，ZONG Baoning

Yanshan Petrochemical Corporation，SINOPEC；
Research Institute of Petroleum Processing，SINOPEC

Online:2006-11-25 Published:2006-11-25

摘要/Abstract

摘要： 制备了二氧化碳选择氧化乙苯（EB）制苯乙烯的催化剂。实验结果表明，VAPO-5分子筛是一种适宜的催化剂载体，且本身已含有高分散的活性组分钒，具有较好的催化活性。VAPO-5负载Ni、Ce、Mo后催化剂的催化效果比较好，其中负载Ni的效果最好，苯乙烯收率可达38.5％；此外，添加碱土金属助催化剂如Mg或稀土元素La后，乙苯转化率明显提高，前者的苯乙烯收率高达44.1％。

Abstract: A study to use carbon dioxide as a soft oxidant and diluent in the dehydrogenation of ethylbenzene to styrene was carried out over a molecular sieve VAPO-5 supported catalyst. It was found that VAPO-5 was a kind of appropriate catalyst support，and itself showsed considerable activity. Nickel，cerium or molybdenum loaded VAPO-5 were recommended as suitable catalysts. Ni/VAPO-5 showed the highest activity，and its styrene yield was 38.5%. With the addition of alkaline earth metal megnesium or rare earth element lanthanun to the catalyst，the catalytic performance was enhanced significantly. The styrene yield of Mg/ VAPO-5 reached 44.1%.

张赪，余少兵，郝小明，宗保宁. 乙苯氧化脱氢制苯乙烯催化剂 [J]. 化工进展.

ZHANG Cheng，YU Shaobing，HAO Xiaoming，ZONG Baoning. Catalysts for ethyl benzene oxydehydrogenation to styrene[J]. Chemical Industry and Engineering Progree.