Promoting CO2 hydrogenation to methanol through product transformation and separation

被引：0

作者：

Zhou Q. ^{[1
]}

Niu C. ^{[1
]}

Lyu S. ^{[1
]}

Li H. ^{[1
]}

Wen F. ^{[1
]}

Xu R. ^{[1
]}

Li M. ^{[1
]}

机构：

[1] Sinopec Research Institute of Petroleum Processing Company Limited, Beijing

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2024年 / 43卷 / 05期

关键词：

aromatics; CO[!sub]2[!/sub] hydrogenation; low-carbon olefins; membrane reactors; methanol; thermodynamics;

D O I：

10.16085/j.issn.1000-6613.2024-0341

中图分类号：

学科分类号：

摘要：

The synthesis of high value-added methanol by hydrogenation of excess CO2 is limited by thermodynamics equilibrium, resulting in lower conversion and utilization efficiency of raw materials. Product transformation and separation can promote the forward progress of CO2 hydrogenation reaction. This article centers around two most typical methods, namely using methanol as an intermediate to further produce low-carbon olefins and aromatics, and utilizing membrane reactors to remove by-product water in situ. The research progress in promoting CO2 hydrogenation process through the above two means is specifically discussed from the aspects of condition optimization of coupled reaction, catalysts preparation, and membrane reactors design and modification. The influence of acidity and pore structure of molecular sieve supports on coupled reaction performance is also analyzed. Moreover, the key and challenge for further research of membrane reactors is to improve the preparation repeatability. © 2024 Chemical Industry Press Co., Ltd.. All rights reserved.

引用

页码：2776 / 2785

页数：9

共 70 条

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