化工进展 ›› 2024, Vol. 43 ›› Issue (5): 2723-2738.DOI: 10.16085/j.issn.1000-6613.2023-2207

• 二氧化碳捕集与资源化利用 • 上一篇    

CeO2载体在CO2加氢制甲醇中的应用和研究进展

周运桃1,2(), 王洪星1,2, 李新刚1(), 崔丽凤2()   

  1. 1.化学工程联合国家重点实验室,天津化学化工协同创新中心,天津市应用催化科学与工程重点实验室,天津大学化工学院,天津 300354
    2.山东华鲁恒升化工股份有限公司,山东 德州 253024
  • 收稿日期:2023-12-15 修回日期:2024-03-01 出版日期:2024-05-15 发布日期:2024-06-15
  • 通讯作者: 李新刚,崔丽凤
  • 作者简介:周运桃(1988—),男,博士,研究方向为催化反应。E-mail:zhouyuntao1005@163.com
  • 基金资助:
    国家重点研发计划(2022YFB4101800)

Application and research progress of CeO2 support in CO2 hydrogenation to methanol

ZHOU Yuntao1,2(), WANG Hongxing1,2, LI Xingang1(), CUI Lifeng2()   

  1. 1.State Key Laboratory of Chemical Engineering, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin Key Laboratory of Applied Catalysis Science and Engineering, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300354, China
    2.Shandong Hualu Hengsheng Chemical Co. , Ltd. , Dezhou 253024, Shandong, China
  • Received:2023-12-15 Revised:2024-03-01 Online:2024-05-15 Published:2024-06-15
  • Contact: LI Xingang, CUI Lifeng

摘要:

随着经济的快速发展,CO2排放导致的温室效应日益严峻,通过与绿氢反应将其转化为甲醇等有价值的化工产品是减少CO2排放、缓解全球气候变暖的有效途径。近年来,CeO2负载金属催化剂在CO2加氢制甲醇反应中得到了广泛关注。本文主要综述了CeO2表面氧空位和碱性位点、Ce3+/Ce4+可逆氧化还原能力、几何形貌等特性在CO2/H2吸附活化和甲醇形成过程中所起到的重要作用,比较了CeO2与ZrO2、ZnO以及复合金属氧化物等载体在反应中的差异,提出了CeO2载体催化剂在确认活性关键中间体、兼顾CO2转化率和甲醇选择性、提高催化活性与稳定性等方面的不足和挑战,以期为新型CO2加氢制甲醇催化剂的设计提供有益参考。

关键词: 二氧化碳, 加氢, 催化剂, CeO2载体, 甲醇, 活性

Abstract:

The urgency of addressing the greenhouse effect produced by CO2 emissions is growing due to the economy’s rapid development. Reducing CO2 emissions and slowing down global warming can be accomplished by reacting CO2 with green hydrogen to produce value-added chemical compounds like methanol. Recently, CeO2-supported metal catalysts for CO2 hydrogenation to methanol have received extensive attentions. In this review, the importance of CeO2 surface oxygen vacancy, basic sites, Ce3+/Ce4+ reversible redox ability, and unique geometric morphology were highlighted in the processes of CO2/H2 adsorption and activation and methanol formation. Moreover, the catalytic activities between CeO2 and ZrO2, ZnO and composite metal oxides supports were compared. Finally, the shortcomings and challenges in identifying active key intermediates, compromising between CO2 conversion and methanol selectivity, and improving the catalytic activity and stability of CeO2-based catalysts were highlighted. This work could provide useful advises for further design of CO2 hydrogenation to methanol catalysts.

Key words: carbon dioxide, hydrogenation, catalyst, CeO2 support, methanol, activation

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