Adsorption of CO2 and N2 on coal-based activated carbon

被引：5

作者：

Deng, Hue ^{[1
]}

Yi, Honghong ^{[1
]}

Tang, Xiaolong ^{[1
]}

Ning, Ping ^{[1
]}

Yu, Qiongfen ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650093, Peoples R China

来源：

ADVANCED RESEARCH ON INDUSTRY, INFORMATION SYSTEMS AND MATERIAL ENGINEERING, PTS 1-7 | 2011年 / 204-210卷

关键词：

equilibrium isotherm; activated carbon; CO(2); Henry's constant; EXCHANGED CHABAZITE ZEOLITES; DIOXIDE; ALKALI; CAPTURE;

D O I：

10.4028/www.scientific.net/AMR.204-210.1250

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Adsorption equilibrium data for CO(2) and N(2) On coal-based activated carbon were obtained at 323.15, 348.15, 363.15 K and at partial pressures from 100 Pa to 82425 Pa by a volumetric apparatus. Lower temperature is helpful for the adsorption. It was observed the saturation loadings at 323.15 K are 0.3 mmolg(-1), 0.057mmolg(-1) for CO(2) and N(2), respectively. The Langmuir and Sips equations were used to correlate the experimental data. It was found that the Sips equation is more accurate to describe the adsorption behavior of both gases on activated carbon. Henry's constant was calculated, it proves that activated carbon has a high selectivity on CO(2) than N(2), the maximum separation index is 5.5.

引用

页码：1250 / 1253

页数：4

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