N-doped porous carbon prepared from filter paper for CO2 capture

被引：8
|
作者：
Li, Wuhui [1 ]
Cui, Hongmin [2 ]
Xu, Jianguo [2 ]
Shi, Jinsong [2 ]
机构：
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China
[2] Jiangxi Acad Sci, Inst Appl Chem, 7777 Changdong Ave, Nanchang 330096, Jiangxi, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2022年 / 787卷
关键词：
CO2; adsorption; Porous carbon; Nitrogen doping; Biomass; KHCO3; activation; SUPERIOR CO2; SURFACE-AREA; NITROGEN; ACTIVATION; ADSORPTION; LEVEL; SIZE;
D O I：
10.1016/j.cplett.2021.139275
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, we presented the preparation of N-doped porous carbon from lab used filter paper. Filter paper was first carbonized at 500 degrees C. The obtained carbon was then pyrolyzed with KHCO3 and urea. Effects of KHCO3 activation on the carbons' physicochemical properties were thoroughly investigated. The derived carbon materials were also tested for CO2 adsorption with pressure up to 20 bar. The carbons exhibited very high CO2 uptake of 19.65 mmol/g at 0 degrees C and 20 bar. The correlations between adsorption performances and the carbons' physicochemical properties at 1/20 bar were analyzed and discussed.
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页数：6
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