CO2 capture by adsorption with carbonaceous materials and electrothermal desorption
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CO2 capture by adsorption with carbonaceous materials and electrothermal desorption
CIESC JournalIssue 4, Pages: 879-886(2010)
作者机构:
华东理工大学化学工程联合国家重点实验室,上海,200237
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DOI:
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Online First:05 April 2010,
Published:05 April 2010
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LIANG Hui, LIU Zhen, LI Ping, et al. CO2 capture by adsorption with carbonaceous materials and electrothermal desorption[J]. CIESC Journal, 2010, (4): 879-886.
DOI:
LIANG Hui, LIU Zhen, LI Ping, et al. CO2 capture by adsorption with carbonaceous materials and electrothermal desorption[J]. CIESC Journal, 2010, (4): 879-886.DOI:
CO2 capture by adsorption with carbonaceous materials and electrothermal desorption
In this paper,the feasibility and efficiency for capture of post-combustion CO2 on carbonaceous materials by electrical swing adsorption (ESA) technology were evaluated experimentally.Carbonaceous materials made from various raw materials,such as coal,coconut shell,pitch,charcoal and polymer,and moulded into granular,porous,and fiber adsorbents were tested for capture of post-combustion CO2 under the ambient pressure and temperature with a simulated flue gas composed of N2 and CO2. Several carbonaceous materials were evaluated and compared on the adsorption capacity and selectivity for CO2,the electric and thermal conductivities,and the electric energy consumption at the direct-electrothermal desorption step.The experimental results demonstrated that the adsorbents could be regenerated quickly by direct heating the carbonaceous materials with electricity
and a lower power consumption was needed. The ESA process for CO2 capture has significant advantages if the carbonaceous materials had a good CO2 adsorption capacity by further modification.