乙烯环氧化反应及催化剂改性研究进展  

Research progress in ethylene epoxidation and catalyst modification

作　　者：雷世龙[1] LEI Shilong(Sinopec Beijing Research Institute of Chemical Industry Yanshan Branch,Beijing 102500,China)

机构地区：[1]中国石化北京化工研究院燕山分院,北京102500

出　　处：《石油化工》2024年第7期1028-1035,共8页Petrochemical Technology

摘　　要：乙烯环氧化反应的性能决定了环氧乙烷装置的经济性,而银催化剂是乙烯环氧化反应的主要工业催化剂。介绍了乙烯环氧化反应的研究现状,分析了影响银催化剂乙烯环氧化反应性能的因素,综述了银催化剂的改性方法,包括载体改性、活性中心调控和助催化体系优化等对催化性能的影响,并对进一步研究提出了建议。The performance of ethylene epoxidation determines the economic efficiency of ethylene oxide production devices,with silver catalysts being the main industrial catalysts for ethylene epoxidation.This paper provided an overview of the research status on ethylene epoxidation,analyzed the factors affecting the performance of ethylene epoxidation in silver catalysts,and reviewed the effects of modification methods on the catalytic performance of silver catalysts,including carrier modification,active center regulation,and co-catalytic system optimization.Suggestions for further study were also proposed.

关 键 词：乙烯环氧化 环氧乙烷 银催化剂 改性 

分 类 号：TQ426.8[化学工程]