摘要
芳烃长链烷基化是一类重要的有机合成反应,在化工生产中具有广泛的应用价值。传统催化工艺所采用的氢氟酸等催化剂具有高腐蚀、高污染的特点,难以满足化工行业环境友好的发展需求。本文指出固体酸、离子液体两大类催化剂是实现该工艺绿色化转型的关键所在,并综述了固体酸、离子液体两大催化体系的研究成果、应用现状及主要技术问题。研究表明二者对于芳烃长链烷基化均具有较高的活性及选择性,以固体酸为催化剂的Detal工艺已然实现工业化生产。但目前两种催化剂均存在易失活的问题,且Detal工艺的运行成本较高,因而未来需开展有关研究提高催化剂的稳定性、降低工艺的能耗及物耗以缩减运行成本。
Long chain alkylation is an important reaction for aromatics,which has wide applications in chemical production.Hydrofluoric acid and other catalysts used in the traditional catalytic process have the problems of high corrosion and high pollution,which is difficult to satisfy the environmentally friendly development needs of chemical industry.This paper points out that solid acid and ionic liquid catalysts are the key to the green transformation of the process,and then summarizes their research results,application status and main technical problems.The study also shows that both of them have high activity and selectivity for the long chain alkylation of aromatic hydrocarbons,and the industrialized Detal process has adopted solid acid as the catalyst.However,both catalysts are prone to deactivation and the Detal process has a high operation cost,so it is necessary to carry out relevant researches in the future to improve the stability of the catalysts and reduce the energy and material consumption of the process.
作者
刘键
刘恒源
谭斌
李平
徐建鸿
LIU Jian;LIU Hengyuan;TAN Bin;LI Ping;XU Jianhong(State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering,College of Chemistry and Chemical Engineering,Ningxia University,Yinchuan 750021,Ningxia,China;State Key Laboratory of Chemical Engineering,Department of Chemical Engineering,Tsinghua University,Beijing 100084,China;Ningxia Coal Industry Group Co.,Ltd.,CHN ENERGY,Yinchuan 750011,Ningxia,China)
出处
《化工进展》
EI
CAS
CSCD
北大核心
2020年第5期1744-1755,共12页
Chemical Industry and Engineering Progress
基金
宁夏自治区重点研发计划(2018BDE02057)。
关键词
芳烃长链烷基化
催化剂
固体酸
离子液体
long-chain alkylation of aromatics
catalyst
solid acid
ionic liquids
