Progress in amine-functionalized mesoporous silica for CO2 capture

被引：0

作者：

Wang Y. ^{[1
,2
]}

Song X. ^{[1
,2
]}

Shui B. ^{[1
,2
]}

Wang S. ^{[1
,2
]}

机构：

[1] School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Gansu, Lanzhou

[2] Enginnering Center of Water Resource Comprehensive Utilization, Ministry of Education, Gansu, Lanzhou

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷

关键词：

adsorbents; adsorption; CO[!sub]2[!/sub]capture; desorption; silica;

D O I：

10.16085/j.issn.1000-6613.2022-0890

中图分类号：

学科分类号：

摘要：

As to its high selectivity, high adsorption capacity, fast adsorption kinetics, good regeneration performance and cycling stability, amine-functionalized mesoporous has received much attention and has excellent prospects for application in CO2 capture technology. In this paper, the adsorption capacity of mesoporous silica M41S, SBA-n, FDU-n, KIT-n, MCF, MSN and HMS was compared, and the structural characteristics of MCM-41 and SBA-15 are summarized. The principles of physical impregnation, covalent tethering via silane linkage and direct covalent tethering via in-situ polymerization for amine loading are presented. The effects of differences in silica source, internal material properties, other gases and additives on the adsorption capacity are analyzed. In conclusion, the future development goals of adsorbents were clarified and an outlook on the research direction of amine-functionalized mesoporous silica materials is provided. It is noted that future attention can be paid to the effect of mesoporous silica microstructure and temperature on the interaction between amine and CO2 to enhance the stability of amine-functionalized mesoporous silica to promote its application in practical environments. © 2022 Chemical Industry Press. All rights reserved.

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页码：536 / 544

页数：8

共 68 条

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