Concentration and recovery of carbon dioxide from flue gas by vacuum swing adsorption

Chao Yuh Chen; Koung Chung Lee; Cheng Tung Chou

Concentration and recovery of carbon dioxide from flue gas by vacuum swing adsorption

Chao Yuh Chen, Koung Chung Lee, Cheng Tung Chou

Department of Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

CO₂ released into the atmosphere are mainly attributed to fossil fuel combustion. The amount of CO₂ emission has to be cut down in the future due to global treaty. The concentration and recovery of CO₂ from flue gas is the first important step in solving CO₂ problem. This experimental study employs dual-bed vacuum swing adsorption (VSA), which does not generate another pollution problem, for CO₂ removal from flue gas and concentrates CO₂ in desorption stream. The comparison of two kinds of processes, four-step process and six-step process, is explored. The CO₂ product concentration in desorption step in the six-step process is higher than in the four-step process. The outlet CO₂ concentration in desorption step increases with detection time. The highest CO₂ concentration can be near 90%. The recovery of CO₂ is between 90% and 95%.

Original language	English
Pages (from-to)	135-142
Number of pages	8
Journal	Journal of the Chinese Institute of Chemical Engineers
Volume	34
Issue number	1
State	Published - Jan 2003

Keywords

Carbon dioxide
Vacuum swing adsorption
Zeolite 13X

Cite this

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title = "Concentration and recovery of carbon dioxide from flue gas by vacuum swing adsorption",

abstract = "CO2 released into the atmosphere are mainly attributed to fossil fuel combustion. The amount of CO2 emission has to be cut down in the future due to global treaty. The concentration and recovery of CO2 from flue gas is the first important step in solving CO2 problem. This experimental study employs dual-bed vacuum swing adsorption (VSA), which does not generate another pollution problem, for CO2 removal from flue gas and concentrates CO2 in desorption stream. The comparison of two kinds of processes, four-step process and six-step process, is explored. The CO2 product concentration in desorption step in the six-step process is higher than in the four-step process. The outlet CO2 concentration in desorption step increases with detection time. The highest CO2 concentration can be near 90%. The recovery of CO2 is between 90% and 95%.",

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AU - Lee, Koung Chung

AU - Chou, Cheng Tung

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N2 - CO2 released into the atmosphere are mainly attributed to fossil fuel combustion. The amount of CO2 emission has to be cut down in the future due to global treaty. The concentration and recovery of CO2 from flue gas is the first important step in solving CO2 problem. This experimental study employs dual-bed vacuum swing adsorption (VSA), which does not generate another pollution problem, for CO2 removal from flue gas and concentrates CO2 in desorption stream. The comparison of two kinds of processes, four-step process and six-step process, is explored. The CO2 product concentration in desorption step in the six-step process is higher than in the four-step process. The outlet CO2 concentration in desorption step increases with detection time. The highest CO2 concentration can be near 90%. The recovery of CO2 is between 90% and 95%.

AB - CO2 released into the atmosphere are mainly attributed to fossil fuel combustion. The amount of CO2 emission has to be cut down in the future due to global treaty. The concentration and recovery of CO2 from flue gas is the first important step in solving CO2 problem. This experimental study employs dual-bed vacuum swing adsorption (VSA), which does not generate another pollution problem, for CO2 removal from flue gas and concentrates CO2 in desorption stream. The comparison of two kinds of processes, four-step process and six-step process, is explored. The CO2 product concentration in desorption step in the six-step process is higher than in the four-step process. The outlet CO2 concentration in desorption step increases with detection time. The highest CO2 concentration can be near 90%. The recovery of CO2 is between 90% and 95%.

KW - Carbon dioxide

KW - Vacuum swing adsorption

KW - Zeolite 13X

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JO - Journal of the Chinese Institute of Chemical Engineers

JF - Journal of the Chinese Institute of Chemical Engineers

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Concentration and recovery of carbon dioxide from flue gas by vacuum swing adsorption

Abstract

Keywords

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