石油化工2023，Vol.52Issue(11)：1577-1582,6.DOI:10.3969/j.issn.1000-8144.2023.11.014
YS型银催化剂在环氧乙烷工业装置的应用
Application of YS silver catalyst in ethylene oxide industrial plant
吕海丽 1李世伟1
作者信息
- 1. 中国石化上海石油化工股份有限公司,上海 200540
- 折叠
摘要
Abstract
According to the mechanism of silver catalyst in the reaction of ethylene oxidation to ethylene oxide,and combining with the industrial application of silver catalyst in ethylene oxide unit,the industrial application performance of silver catalyst YS-1 and YS-2 was analyzed.The effects of volume fraction ratio of total chloride to hydrocarbon in circulating gas(CCF),carbon dioxide content and water content on the performance of silver catalyst were investigated.The results show that the effect of CCF on the selectivity of YS silver catalyst does not simply follow a linear relationship,and appropriate CCF can improve the selectivity.When CCF is controlled at 3.0-4.5,the selectivity of YS-1 silver catalyst is more stable.When the CCF is controlled at 6.5-8.5,the selectivity of YS-2 silver catalyst is more stable.With the increase of carbon dioxide content and water content,the selectivity of YS silver catalyst decreases.When the water content in the reaction gas is maintained at about 0.5％(φ),the selectivity of YS-1 silver catalyst is relatively stable.When the water content in the reaction gas is maintained at about 0.3％(φ),the selectivity of YS-2 silver catalyst is relatively stable.关键词
环氧乙烷/银催化剂/工业应用/氯化物调节剂Key words
ethylene oxide/silver catalyst/industrial application/chloride regulator分类
化学化工引用本文复制引用
吕海丽,李世伟..YS型银催化剂在环氧乙烷工业装置的应用[J].石油化工,2023,52(11):1577-1582,6.
