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用红外光谱法表征了不同的改性HZSM-5的OH基、酸性本质、改性剂的状态及其与沸石担之间的相互作用,着重考察了烯烃(尤其是乙烯)在不同改性的HZSM-5上的吸附及其与酸性本质的关联,提出了其吸附过程及吸附态模型。
The different groups of modified HZSM-5 were characterized by FT-IR, the nature of the acid, the state of the modifier and its interaction with the zeolite. The effects of the olefin (especially ethylene) The adsorption on HZSM-5 and its relation with the nature of acidity, the adsorption process and the adsorption state model are proposed.