Carbon dioxide-nitrogen separation through pressure swing adsorption

被引：82

作者：

Dantas, Tirzha L. P. ^{[1
,3
]}

Luna, Francisco Murilo T. ^{[2
]}

Silva, Ivanildo J., Jr. ^{[2
]}

Torres, Antonio Eurico B. ^{[2
]}

de Azevedo, Diana C. S. ^{[2
]}

Rodrigues, Alirio E.

Moreira, Regina F. P. M. ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Dept Chem & Food Engn, Lab Energia & Meio Ambiente LEMA, BR-88040900 Florianopolis, SC, Brazil

[2] Univ Fed Ceara, Dept Chem Engn, Separat Adsorpt Res Grp GPSA, BR-60455760 Fortaleza, Ceara, Brazil

[3] Univ Porto, Fac Engn, Dept Chem Engn, Lab Separat & React Engn LSRE,Associate Lab LSRE, Oporto, Portugal

来源：

CHEMICAL ENGINEERING JOURNAL | 2011年 / 172卷 / 2-3期

关键词：

Adsorption; Carbon dioxide; Nitrogen; Zeolite; 13X; PSA; CO2; CAPTURE; PACKED-BEDS; ZEOLITE; 13X; GASES; ADSORBENTS; LAYERS;

D O I：

10.1016/j.cej.2011.06.037

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

The reduction of carbon dioxide emissions from flue gases can be achieved using post-combustion capture technologies such as adsorption. In this paper, we report the continuous separation of a 15% mol/mol carbon dioxide-nitrogen mixture through the pressure swing adsorption (PSA) process. To this aim, zeolite 13X was used as the adsorbent in a fixed-bed column at different temperatures. The adsorption equilibrium of CO(2) was described according to the Toth isotherm, while the N(2) adsorption did not affect the CO(2) adsorption. The overall performance of the process was assessed through the CO(2) and N(2) purity and also the recovery of carbon dioxide. A model based on the LDF approximation for the mass balance, including energy balance and momentum, was proposed, which is able to satisfactorily reproduce all of the experimental data. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：698 / 704

页数：7

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