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一、前言 ZSM-5型沸石是美国Mobil公司于七十年代发展的一种含有有机胺阳离子的新型沸石。由于它的特殊结构以及可以在很大范围内改变其组成的硅铝比,从而带来了独特的物化性质,在很多催化反应中显示其良好的催化作用。目前已在二甲苯异构化、甲苯岐化、苯烷基化生产乙苯和柴油催化降凝等过程得到应用。用ZSM-5沸石催化剂从甲醇合成汽油的研究也取得很好结果,这一催化过程的
First, the preface ZSM-5 zeolite is the United States Mobil Corporation in the seventies developed a new zeolite containing organic amine cations. Due to its special structure and the Si / Al ratio, which can change its composition to a great extent, it brings about unique physicochemical properties and shows good catalysis in many catalytic reactions. At present, xylene isomerization, toluene disproportionation, benzene alkylate production of ethylbenzene and diesel catalytic coagulation reduction and other processes have been applied. Studies on the synthesis of gasoline from methanol using the ZSM-5 zeolite catalyst also yielded good results. The catalytic process