Adding a certain amount of inhibitor in ethylene epoxidation reaction to improve selectivity and reduce the ethylene consumption per unit of product.This paper summarizes the function of inhibitor on ethylene epoxidation reaction from mechanism,reactivity and selectivity aspects.And the optimization of inhibitor addition amount is also studied.%在乙烯与纯氧直接环氧化制环氧乙烷反应中,加入一定量的抑制剂,有利于改善反应的选择性,减少乙烯的单耗.本文主要从作用机理、反应活性、反应选择性等方面入手,对抑制剂在乙烯环氧化反应中的作用进行了概述,并简述了抑制剂加入量的优化.
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