Adsorption behaviors of CO2 and NH3 on chemically surface-treated activated carbons

被引：102
|
作者：
Park, SJ [1 ]
Kim, KD [1 ]
机构：
[1] Korea Res Inst Chem Technol, Adv Mat Div, Taejon 305600, South Korea
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1999年 / 212卷 / 01期
关键词：
activated carbon; chemical treatment; adsorption; surface properties;
D O I：
10.1006/jcis.1998.6058
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：
The adsorption characteristics of activated carbon treated with 30 wt% HCl and 30 wt% NaOH were investigated. The acid and base values were determined by Boehm's method and the surface structures were studied by the BET method with N-2 adsorption and iodine adsorption capacity. Also the adsorption properties of the activated carbons treated with acid and base chemical solutions were investigated with CO2 and NH3 adsorptions. Different adsorption behaviors of CO2 and NH3 on the modified activated carbons were observed, even though the physical surfaces of the activated carbons (i.e., specific surface area, pore size, and pore volume) were not significantly changed. (C) 1999 Academic Press.
引用
收藏
页码：186 / 189
页数：4
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