择形分子筛沸石催化作用的新进展

Recent Development in Shape Selective Molecular Sieve Zeolite Catalysis

关键词:  择形分子筛 沸石 催化 烷基化 催化剂

Key words:  shape selective molecular sieve, zeolite, catalysis, alkylation, disproportion, transalkylation, selectivity,

摘要:

本文综述了两个方面的内容：（１）新的可利用的分子筛及其催化性能；（２）它们作为催化剂在石化产品中的作用，以及在精细化工、医药和其它工业各的潜在应用。文中提及的分子筛包括五个主要类型：（１）相同或不同晶孔大小的交叉孔道，（２）在交叉孔道，（３）两个非交叉孔道体系，如ＭＣＭ－２２，（４）小孔沸石；（５）中孔分子筛，或ＭＣＭ－４１Ｓ族。它们在石化工业中的应用包括：（１）苯乙烯工艺，（２）对二乙基苯，（３

Abstract:

Presented herein is a brief review of this subject: (1) New useful molecular sieves including their catalytic characteristics, (2) Their use as catalysts for petrochemicals, and their potential use in fine chemicals, pharmaceuticals and other industries.