Layered pressure swing adsorption for methane recovery from CH4/CO2/N2 streams

被引：44

作者：

Cavenati, S ^{[1
]}

Grande, CA ^{[1
]}

Rodrigues, AE ^{[1
]}

机构：

[1] Univ Porto, Fac Engn, Dept Chem Engn, LSRE, P-4200465 Oporto, Portugal

来源：

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY | 2005年 / 11卷 / Suppl 1期

关键词：

kinetic separation; natural gas; Layered Pressure Swing Adsorption;

D O I：

10.1007/s10450-005-5983-7

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：

In this paper we discuss the performance of Layered PSA (Layered Pressure Swing Adsorption) for methane/carbon dioxide/nitrogen separation for methane upgrading from contaminated natural gas. A four-step PSA cycle was defined using extrudates of zeolite 13X (selective for carbon dioxide) and CMS 3 K (nitrogen selective) in a layered packed bed. Ternary breakthrough curves are reported as well as PSA experiments using a stream composition of 70% CH4-20% CO2-10% N-2, Purity of methane of 92% with no carbon dioxide contamination and 43.5% recovery was obtained.

引用

页码：549 / 554

页数：6

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