文献类型：期刊文献

中文题名：丝光沸石催化剂上正己烷异构化反应机理

英文题名：Study on the Mechanism of n-Hexane Isomerization on Mordenite

作者：柴章民[1];李承烈[1];黄国雄[1];刘馥英[1]

机构：[1]华东化工学院石油加工研究所

年份：1990

卷号：16

期号：6

起止页码：599

中文期刊名：华东化工学院学报

收录：国家哲学社会科学学术期刊数据库;Scopus;CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：乙烷;异构化反应;沸石;催化剂

外文关键词：isomerization; zeolite; hexane; kinetics; catalyst; mechanism

摘要：以轻质烷烃异构化中试放大用的丝光沸石催化剂为研究对象,运用“原位”红外反应技术和催化剂活性评价手段,并结合反应动力学参数计算,探讨了正已烷异构化反应机理。结果表明,可用五配位反应中间物种机理解释正碳离子的生成。用双分子六元环反应中间物机理能较好地解释正已烷在氢型丝光沸石(HM)上的异构化过程。对正已烷在Pd/HM上的反应过程也可用正碳离子机理结合双分子六元环中间物机理解释。
The mechanism of n-hexane isomerization on mordenite which is used in a pilot plant as isomerization catalyst for light paraffin, was studied by "in situ" FT-IR study for reaction, evaluation of catalyst activity and kinetic analysis. The results show that the formation of carbonium ions can be explained by the existence of non-classical penta-coordinated carbonium ion intermediate. There may be an interpretation of a bimolecular cyclohexane-type mechanism for n-hexane isomerization on H-mordenite. A classical carbonium ion mechanism combined with a bimolecular intermediate mechanism may explain the isomerization of n-hexane on Pd/H-mordenite.