文献类型：期刊文献

中文题名：超临界条件下苯烃化反应研究

英文题名：STUDY OF BENZENE-ALKYLATION REACTION UNDER SUPERCRITICAL CONDITION

作者：朱晓蒙[1];高勇[1];朱中南[1];袁渭康[1]

机构：[1]华东化工学院国家重点化学工程联合实验室,上海200237

年份：1993

卷号：44

期号：4

起止页码：502

中文期刊名：化工学报

外文期刊名：CIESC Journal

收录：CSTPCD;;EI(收录号：1994011144803);Scopus;北大核心:【北大核心1992】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金;石油化工总公司顾问基金资助项目

语种：中文

中文关键词：超临界液体;苯烃化;分子筛催化剂

外文关键词：supercritical fluid, benzene-alkylation, zeolite catalyst, coke precurcor

摘要：Benzene alkylation process is a typical catalytic reaction. When the reaction is carried out in gas phase or liquid phase, obvious catalyst deactivation is observed. This paper aims at slowing down catalyst deactivation of benzene alkylation reaction by taking advantage of some special properties of supercritical fluids (higher solubility than gases and higher diffusibility than liquids). The results indicate that when the reaction condition is above the critical point of the mixed reactants, the coke precursors (polynuclear aromatics) which directly deactivate catalyst can be removed by dissolution in the supercritical fluids, which leads to a longer catalyst life.
Benzene alkylation process is a typical catalytic reaction. When the reaction is carried out in gas phase or liquid phase, obvious catalyst deactivation is observed. This paper aims at slowing down catalyst deactivation of benzene alkylation reaction by taking advantage of some special properties of supercritical fluids (higher solubility than gases and higher diffusibility than liquids). The results indicate that when the reaction condition is above the critical point of the mixed reactants, the coke precursors (polynuclear aromatics) which directly deactivate catalyst can be removed by dissolution in the supercritical fluids, which leads to a longer catalyst life.