研究了乙烷添加对Mo/HZSM-5催化剂上甲烷芳构化反应性能的影响.在所考察的反应条件下.未观察到乙烷添加对甲烷转化的促进作用,乙烷本身反而生成甲烷,同时导致更高的积炭生成速率,使Mo/HZSM-5催化剂更快地失活.但添加乙烷加速了钼活性中心的形成,缩短了芳构化反应的诱导期,使苯的生成提前.
The effect of ethane addition on methane dehydroaromatization over a Mo/HZSM-5 catalyst was investigated. It was revealed that the ethane addition could not promote the conversion of methane but produced methane and increased coke deposition rate, causing rapid deactivation of the catalyst. However, ethane accelerated the formation of Mo active centers (Mo_2C and/or MoO_xC_y species), shortening the induction period and moving the benzene formation forward.
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