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水洗系统脱除沼气中的CO2（英文）

CO2 Removal from Biogas by Water Washing System

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【作者】 肖勇； 袁海荣； 庞云芝； 陈树林； 朱保宁； 邹德勋； 马晶伟； 郁亮； 李秀金；

【Author】 Yong Xiao;Hairong Yuan;Yunzhi Pang;Shulin Chen;Baoning Zhu;Dexun Zou;Jingwei Ma;Liang Yu;Xiujin Li;Centre for Resource and Environmental Research,Beijing University of Chemical Technology;Department of Biological Systems Engineering,Washington State University,Pullman,WA 99164,USA;

【机构】 Centre for Resource and Environmental Research,Beijing University of Chemical Technology； Department of Biological Systems Engineering,Washington State University,Pullman,WA 99164,USA；

【摘要】 CO2 removal from biogas by water washing system was investigated with various parameters,including liquid/gas ratio,pressure,temperature,and CO2 content.The results indicate that CO2 removal ratio could reach 34.6%-94.2%as liquid/gas ratio increased from 0.14 to 0.50.Increasing pressure（from 0.8 to 1.2 MPa） could improve gas purification with a constant inflow rate of gas.Temperature played a key role in the process and lower temperature in absorption tower was beneficial for reducing CO2 content.CO2 removal ratio could reach 24.4%-83.2%when CO2 content in the simulated gas was 25%-45%.The lowest CO2 content after absorption was 2.6%at1.2 MPa with 400 L·h-1 gas flow and 200 L·h-1 water flow,which meets the requirement of CO2 content in natural gas for vehicle fuel.

【Abstract】 CO2 removal from biogas by water washing system was investigated with various parameters,including liquid/gas ratio,pressure,temperature,and CO2 content.The results indicate that CO2 removal ratio could reach 34.6%-94.2%as liquid/gas ratio increased from 0.14 to 0.50.Increasing pressure（from 0.8 to 1.2 MPa） could improve gas purification with a constant inflow rate of gas.Temperature played a key role in the process and lower temperature in absorption tower was beneficial for reducing CO2 content.CO2 removal ratio could reach 24.4%-83.2%when CO2 content in the simulated gas was 25%-45%.The lowest CO2 content after absorption was 2.6%at1.2 MPa with 400 L·h-1 gas flow and 200 L·h-1 water flow,which meets the requirement of CO2 content in natural gas for vehicle fuel.

【关键词】 Biogas purification； CO2 removal； Water washing； Pilot system；
【Key words】 Biogas purification； CO2 removal； Water washing； Pilot system；
【基金】 Supported by the National Technology Research and Development Program of China(2008AA062402);the China-US International Cooperation Project(2011DFA90800);the Ministry of Science and Technology,China
  • 【文献出处】 Chinese Journal of Chemical Engineering ,中国化学工程学报(英文版) , 编辑部邮箱 ,2014年08期
  • 【分类号】TQ028.2
  • 【被引频次】8
  • 【下载频次】107
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