化工进展 ›› 2017, Vol. 36 ›› Issue (02): 538-547.DOI: 10.16085/j.issn.1000-6613.2017.02.020

• 工业催化 • 上一篇    下一篇

储氢介质甲基环己烷研究进展

王锋1,2, 杨运泉2, 胡拥军1, 曾永林1   

  1. 1 湖南城市学院化学与环境工程学院, 湖南 益阳 413000;
    2 湘潭大学化工学院, 湖南 湘潭 411105
  • 收稿日期:2016-05-12 修回日期:2016-07-15 出版日期:2017-02-05 发布日期:2017-02-05
  • 通讯作者: 杨运泉,教授,博士生导师。E-mail:yangyunquan@xtu.edu.cn。
  • 作者简介:王锋(1978-),男,博士研究生,主要从事储氢催化剂的研究。
  • 基金资助:
    国家自然科学基金项目(21676225)。

Advances in the development of methylcyclohexane as a hydrogen storage medium

WANG Feng1,2, YANG Yunquan2, HU Yongjun1, ZENG Yonglin1   

  1. 1 College of Chemical and Environmental Engineering, Hunan City University, Yiyang 413000, Hunan, China;
    2 College of Chemical Engineering, Xiangtan University, Xiangtan 411105, Hunan, China
  • Received:2016-05-12 Revised:2016-07-15 Online:2017-02-05 Published:2017-02-05

摘要: 甲基环己烷(MCH)作为最佳的液态有机氢化物储氢介质,是甲基环己烷-甲基-氢气(MTH)循环体系中的重要组成部分,但MCH催化脱氢过程所使用催化剂因低温活性欠佳及高温不稳定的问题导致MTH循环无法大规模应用。本文综述了MTH循环系统的应用现状和该系统中MCH脱氢过程催化剂的研究现状。重点概述了单、双金属催化剂设计现状,比较了不同催化剂性能的优劣。此外,还比较了各类催化剂释氢速率以及反应条件和催化反应器结构特点。分析表明,研发出低温高活性或高温高稳定性的催化剂有利于MCH脱氢过程;此外,开发出既能打破反应平衡限制又能强化传质和传热效果以及保持催化剂稳定性的车载催化反应器将会加速MTH循环的社会化应用进程。

关键词: 催化剂, 催化剂载体, 反应器, 储氢, 甲基环己烷

Abstract: As the best liquid organic hydrides medium,methylcyclohexane is very important in the MTH circulation system. But the catalyst used in catalytic dehydrogenation process of MCH has the problems of the poor activity at low temperature and instability at high temperature,which limited the MTH circulation for large-scale application. This paper reviews the applications of MTH system and the research status about different kinds of catalysts applied in the process of the methylcyclohexane dehydrogenation. It also summarizes the design of the single and double metal catalysts and compares the performance of different catalysts. In addition,the hydrogen evolution rate,the reaction conditions and the structure characteristics of the catalyst are compared. Analysis shows that the catalysts with highly active at low temperature or good stability at high temperature is advantageous to the dehydrogenation process of MCH. In addition,the development of catalysts that could break the reaction equilibrium limit,strengthen the mass transfer and heat transfer and maintain the stability will prompt the applications of the MTH system.

Key words: catalyst, catalyst support, reactors, hydrogen storage, methylcyclohexane

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