化工进展

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对二乙苯生产技术评述

盖月庭,顾昊辉,梁战桥,刘中勋,周震寰   

  1. 中国石化石油化工科学研究院,北京 100083
  • 出版日期:2014-03-05 发布日期:2014-03-05

A review of para-diethylbenzene production technology

GAI Yueting,GU Haohui,LIANG Zhanqiao,LIU Zhongxun,ZHOU Zhenhuan   

  1. Research Institute of Petroleum Processing,SINOPEC,Beijing 100083,China
  • Online:2014-03-05 Published:2014-03-05

摘要: 介绍了对二乙苯市场需求情况、生产技术现状及其最新研究成果,重点评述了乙苯-乙烯烷基化法、乙苯-乙醇烷基化法、乙苯歧化法、吸附分离法及吸附分离-异构化法等已经工业化的对二乙苯生产技术。通过对比分析,认为吸附分离-异构化法生产过程无副产物间二乙苯和邻二乙苯采出,生产成本最低,是生产对二乙苯最为经济有效的方法。

关键词: 对二乙苯, 烷基化, 歧化, 吸附分离, 异构化

Abstract: The market demand of para-diethylbenzene,production technology and its latest research situation were introduced. The key industrialized production methods,adsorption method of separation-isomerization were compared,including ethylbenzene-ethylene alkylation method,ethylbenzene-ethanol alkylation method,disproportionation of ethylbenzene method and adsorption method of separation. The results showed that the adsorption separation-isomerization process,with the lowest cost and no byproduct,is the most economic and effective method for para-diethylbenzene production.

Key words: para-diethylbenzene, alkylation, disproportionate, adsorptive separation, isomerisation

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