离子液体自模板合成多孔碳氮材料及其对二氧化碳的吸附

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刘佳慧^1,2，刘会婷²，赵国英^2*，孙振宇^1*

1. 北京化工大学化学工程学院，有机?无机复合材料国家重点实验室，北京 100029 2. 中国科学院过程工程研究所多相复杂系统国家重点实验室，离子液体清洁过程北京市重点实验室，北京 100190

收稿日期:2019-03-25修回日期:2019-05-07出版日期:2020-01-22发布日期:2020-01-14
通讯作者:赵国英

基金资助:高芳烃高含氮重油催化转化反应基础研究;国家重点基础研究发展基金资助项目;国科学院仪器发展基金资助项目

Ionic liquids self-templating to synthesize nitrogen-doped porous carbon materials for CO₂ adsorption

Jiahui LIU^1,2, Huiting LIU², Guoying ZHAO^2*, Zhenyu SUN^1*

1. State Key Laboratory of Organic–Inorganic Composites, School of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China 2. Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received:2019-03-25Revised:2019-05-07Online:2020-01-22Published:2020-01-14
Contact:ZHAO Guo-ying

摘要/Abstract

摘要： 以多种氰基离子液体为前驱体，采用高温碳化法直接制备多孔碳氮材料，系统考察了离子液体前驱体阳离子结构、阴离子种类及合成条件等因素对碳化材料比表面积、氮元素含量及氮种类的影响，并研究其对CO2的吸附性能。结果表明，阴离子在聚合过程中起模板剂的作用。合成材料主要呈介孔结构，比表面积最高达732.6 m2/g，氮含量最高为9.9wt%，在温度25℃、压力1.8 MPa条件下，CO2的吸附量最高达20.9wt%。多孔碳氮材料经180℃真空加热后可完全脱附再生，再生稳定性良好。

引用本文

刘佳慧刘会婷赵国英孙振宇. 离子液体自模板合成多孔碳氮材料及其对二氧化碳的吸附[J]. 过程工程学报, 2020, 20(1): 108-115.
Jiahui LIU Huiting LIU Guoying ZHAO Zhenyu SUN. Ionic liquids self-templating to synthesize nitrogen-doped porous carbon materials for CO₂ adsorption[J]. Chin. J. Process Eng., 2020, 20(1): 108-115.

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