甲烷氧化偶联反应制乙烯的研究进展

Advances in reaction of oxidative coupling of methane for ethylene production

介绍了近年来甲烷氧化偶联制乙烯(OCM)过程的催化剂、反应机理、动力学及工程放大涉及的反应工艺、反应器等方面的研究进展,对甲烷氧化偶联法和传统裂解法的经济性进行了对比,指出目前甲烷氧化偶联制乙烯工艺的选择性和转化率还较低,因此成本上比裂解制乙烯要高。最后,对催化剂、工程放大、生产流程和分离方案等方面的研究中存在的问题进行了分析。

The advances in the catalysts, mechanism, dynamics of oxidative coupling reaction of methane for ethylene production are introduced, and more attention is focused on reaction processes and reactors. Based on comparing the economic of oxidative coupling reaction and conventional hydrolysis, it is pointed out that the former＇s selectivity and conversion rate are lower currently, so its cost is higher than that of the latter. Finally, the problems in respect to catalyst, engineering large-scale, production and separation scheme are analyzed.