Simultaneous biogas purification and CO2 capture by vacuum swing adsorption using zeolite NaUSY

被引：82

作者：

Jiang, Yangyang ^{[1
]}

Ling, Jianghua ^{[2
]}

Xiao, Penny ^{[3
]}

He, Yingdian ^{[3
]}

Zhao, Qinghu ^{[3
]}

Chu, Zheng ^{[1
]}

Liu, Yingshu ^{[4
]}

Li, Ziyi ^{[4
]}

Webley, Paul A. ^{[3
]}

机构：

[1] Nanjing Chem Ind Grp, Sinopec Grp, Res Inst, Nanjing 210048, Jiangsu, Peoples R China

[2] Liaoning Shihua Univ, Fushun 113001, Peoples R China

[3] Univ Melbourne, Dept Chem Engn, Melbourne, Vic 3010, Australia

[4] Univ Sci & Technol Beijing, Sch Energy & Environm Engn, Beijing 100083, Peoples R China

来源：

CHEMICAL ENGINEERING JOURNAL | 2018年 / 334卷

关键词：

Biogas purification; Zeolites; Activated carbon; Vacuum swing adsorption; ACTIVATED CARBON; FLUE-GAS; N-2; CH4; PRESSURE; SEPARATION; DIOXIDE; EQUILIBRIA; ADSORBENTS; SIMULATION;

D O I：

10.1016/j.cej.2017.11.090

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study we report on a vacuum swing adsorption process and adsorbent which allows simultaneous production of high purity methane and high purity carbon dioxide from a biogas feedstock. This is a departure from conventional biogas purification processes which focus on production of high purity methane while venting the lower purity methane/carbon dioxide stream. Using NaUSY as the adsorbent, and based on experimental and simulation data, we are able to produce product purities of 98% CH4 and 95% CO2 in the two product streams, respectively, for an energy consumption of 0.23 GJ/tCO(2) from a feed containing 50/50% CH4/CO2.

引用

页码：2593 / 2602

页数：10

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