化工进展 ›› 2021, Vol. 40 ›› Issue (4): 1797-1811.DOI: 10.16085/j.issn.1000-6613.2020-1982

• 专栏:先进化工装备及智能系统工程 • 上一篇    下一篇

醚化反应精馏研究进展

王晓达1(), 陈宇1, 王清莲1, 黄智贤1, 杨臣1, 王红星2, 邱挺1()   

  1. 1.福州大学石油化工学院,福建 福州 350108
    2.天津科技大学化工与材料学院,天津 300457
  • 收稿日期:2020-09-29 出版日期:2021-04-05 发布日期:2021-04-14
  • 通讯作者: 邱挺
  • 作者简介:王晓达(1987—),男,副教授,硕士生导师,研究方向为化工过程强化。E-mail:xdwang@fzu.edu.cn
  • 基金资助:
    国家自然科学基金(21706034)

Review on etherification by reactive distillation

WANG Xiaoda1(), CHEN Yu1, WANG Qinglian1, HUANG Zhixian1, YANG Chen1, WANG Hongxing2, QIU Ting1()   

  1. 1.College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, China
    2.College of Chemical Engineering and Materials Science, Tianjin University of Science & Technology, Tianjin 300457, China
  • Received:2020-09-29 Online:2021-04-05 Published:2021-04-14
  • Contact: QIU Ting

摘要:

醚化反应是生产燃油添加剂这一关系国计民生重要化工产品的关键途径,反应精馏是其生产的核心技术。对醚化反应精馏技术进行总结和回顾,既有利于推进反应精馏基础理论的发展,也可促进醚化产品生产技术的升级。本文全面系统地介绍了生产甲基叔丁基醚、乙基叔丁基醚、甲基叔戊基醚、乙基叔戊基醚和二甲醚这几种燃油添加剂的反应精馏技术研究进展,涉及基础研究和工业应用,包括反应原料选择、工艺系统开发和多稳态现象调控,分析了不同反应路径和工艺系统的优缺点,总结了反应精馏多稳态研究的基本问题和结论。展望了反应精馏技术在聚甲氧基二甲醚合成和甘油、5-羟甲基糠醛、糠醇等生物质平台化合物制备新型醚类化合物的应用前景和挑战。指出了醚化反应精馏技术在工艺系统开发和催化填料设计方面存在的核心共性问题,并提出了相应的解决方案。

关键词: 反应精馏, 系统工程, 生物能源, 过程强化, 醚化反应, 燃油添加剂

Abstract:

Etherification reaction is a significant way to produce fuel addictive, which is important to the national economy and the people's livelihood. Reactive distillation (RD) plays a key role in this reaction. This study reviewed the application of RD in etherification, which is advantageous not only to the development of RD but also to the technology upgrade of fuel additive production. The application progress of RD in the etherification reaction was introduced in detail from fundamental research to industrial application for several important fuel addictive, including methyl-tertiary-butyl-ether (MTBE), ethyl-tert-butyl-ether (ETBE), tert-amyl-methyl-ether (TAME), tert-amyl-ethyl-ether (TAEE), and dimethyl-ether (DME). The contents contained raw choice, process development, and multiple steady states. The advantages and disadvantages of different reaction routes and technology processes were analyzed. The fundamental issues and concludes were concluded for the multi-steady-state of RD. The opportunity and challenge of the application of RD for the synthesis of polymethoxy dimethyl and translation of several biomass platform chemicals, such as glycerol, hydroxymethylfurfural, and furfuralcohol, into fuel addictive via etherification, were analyzed. The common issues of technological process development and catalytic packing design were discussed for the application of RD in etherification, and related suggestions were provided.

Key words: reactive distillation, systems engineering, bioenergy, process intensification, etherification, fuel additive

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