化工进展 ›› 2021, Vol. 40 ›› Issue (2): 565-576.DOI: 10.16085/j.issn.1000-6613.2020-1401

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CO2高值化利用:CO2加氢制甲醇催化剂研究进展

徐敏杰1(), 朱明辉1, 陈天元1, 徐晶1, 杨子旭1, 韩一帆1,2()   

  1. 1.化学工程联合国家重点实验室,华东理工大学,上海 200237
    2.先进功能材料制造教育部工程中心,郑州大学,河南 郑州 450001
  • 收稿日期:2020-07-20 修回日期:2020-11-14 出版日期:2021-02-05 发布日期:2021-02-09
  • 通讯作者: 韩一帆
  • 作者简介:徐敏杰(1995—),男,博士研究生。E-mail:zjxuminjie@163.com

High value utilization of CO2: research progress of catalyst for hydrogenation of CO2 to methanol

Minjie XU1(), Minghui ZHU1, Tianyuan CHEN1, Jing XU1, Zixu YANG1, Yifan HAN1,2()   

  1. 1.State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
    2.Engineering Research Center of Advanced Functional Material Manufacturing of Ministry of Education, Zhengzhou University, Zhengzhou 450001, Henan, China
  • Received:2020-07-20 Revised:2020-11-14 Online:2021-02-05 Published:2021-02-09
  • Contact: Yifan HAN

摘要:

二氧化碳(CO2)催化加氢制备甲醇等重要化工原料是一项具有前景的碳循环利用技术。目前,该技术的核心挑战是开发出高活性、高选择性和高稳定性的CO2加氢催化剂。相比于传统的铜基催化剂,铟基催化剂有较高的甲醇选择性和高温稳定性,近年来受到学术界的关注。然而,目前人们对In基催化剂CO2加氢反应机理和催化本质等科学问题的认知尚未形成统一理论。本综述总结了催化剂制备、反应机理研究与热力学分析、催化剂结构表征方法等进展。针对目前存在的单程转化率不高、催化剂稳定性不足等问题,提出未来研究方向包括引入新的助剂或活性组分,设计特殊结构的催化剂以及耦合分子筛等。

关键词: 二氧化碳, 加氢, 甲醇, 催化剂,

Abstract:

The catalytic hydrogenation of carbon dioxide (CO2) to chemicals, such as methanol, is a promising carbon capture, utilization and storage (CCUS) technology. The key challenge of CO2 hydrogenation is the development of efficient catalyst. Compared with traditional copper based catalysts, indium based catalysts have attracted much attention due to their high methanol selectivity and excellent high-temperature stability. And thus, In based catalysts have been paid more attention in recent years since they show high methanol selectivity and good stability at high temperature. However, the understanding of the mechanism and nature of In based catalysts for CO2 hydrogenation has not yet formed a unified theory. This review summarizes the research progress of catalyst from preparation methods, reaction mechanism, thermodynamic analysis and structure characterization. In view of the existing problems such as low single-pass conversion and insufficient catalyst stability, future research directions are proposed, including introducing extra promoters or active components, designing catalysts with special structures and coupling molecular sieves.

Key words: carbon dioxide, hydrogenation, methanol, catalyst, indium

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