Adsorption equilibrium of CO2, CH4 and N2 on zeolite 13X-APG

被引：0

作者：

Kong, Xiangming ^{[1
]}

Yang, Ying ^{[1
]}

Shen, Wenlong ^{[1
]}

Li, Ping ^{[1
]}

Yu, Jianguo ^{[1
]}

机构：

[1] State Key Laboratory of Chemical Engineering, East China University of Science and Technology

来源：

Huagong Xuebao/CIESC Journal | 2013年 / 64卷 / 06期

关键词：

Adsorption isotherms; Carbon dioxide; Methane; Zeolite; 13X-APG;

D O I：

10.3969/j.issn.0438-1157.2013.06.030

中图分类号：

学科分类号：

摘要：

Adsorption equilibrium isotherms of CO2, CH4 and N2 on zeolite 13X-APG were measured by Rubotherm magnetic suspension balance in the pressure range of 0-500 kPa at temperatures of 293, 303, 333 and 363 K. The multi-site Langmuir model and Sips model were used to fit the experimental data, and the model parameters were obtained by the non-linear regression. Furthermore, the adsorption capacities of CO2, CH4 and N2, as well as the separation factors of CO2/CH4, CO2/N2 and CH4/N2 gas mixtures on zeolite 13X-APG were compared with those on other materials reported in literature, including zeolites, activated carbon, mesoporous silica and metal-organic frameworks. The evaluation is given on the feasibility and efficiency of adsorption using 13X-APG as adsorbent to capture CH4 from both landfill gases and CO2 enhanced coal bed gases (CO2/CH4), to capture CO2 from flue gases of coal-fired power plants, cement plants and coking plants (CO2/N2), and to concentrate CH4 from coal mine gases (CH4/N2).

引用

页码：2117 / 2124

页数：7

共 25 条

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