【摘要】 深入理解甲醇制烯烃反应机理,对开发高效催化剂、优化反应工艺(gongyio Liquid and Chemical)的状态,以提高烯烃选择性具有重要意义。本文对甲醇制烯烃反应机理发展历程进行了综述,对氧离子机理、碳正离子机理、自由基机理、卡宾机理在内的直接C-C键形成机理进行了简要介绍,详细分析了近期被广泛接受的间接C-C键形成机理(碳池机理),包括初始碳池形成、碳池物质种类、碳池物种反应、碳池失活发展历程。简要介绍了烯烃二次反应机理。更多还原

【Abstract】 Understanding of methanol-to-olefins(MTO) reaction mechanism is important to develop high-efficiency catalyst and optimize process conditions for improving yield of olefins.The advances in research on MTO reaction mechanism were reviewed.The direct C-C bond formation mechanisms,including oxonium ion mechanism,carbenium ion mechanism,free radical mechanism and carbene mechanism,were briefly introduced.The indirect C-C bond formation mechanism——hydrocarbon pool reaction mechanism,which has recently been widely accepted,was illuminated in detail,including the initial hydrocarbon pool formation,the hydrocarbon pool species and the hydrocarbon pool reaction and deactivation.The secondary reaction mechanisms of olefins were also described.更多还原