| 烟煤制备成型活性炭及其PSA浓缩CH_4/N_2中CH_4的性能研究 |
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| 引用本文： | 辜敏,刘克万,鲜学福,曾来,姚伟静.烟煤制备成型活性炭及其PSA浓缩CH_4/N_2中CH_4的性能研究[J].功能材料,2010,41(2). |
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| 作者姓名： | 辜敏 刘克万 鲜学福 曾来 姚伟静 |
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| 作者单位： | 重庆大学,资源及环境科学学院,西南资源开发及环境灾害控制工程教育部重点实验室,重庆,400044 |
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| 基金项目： | 国家自然科学基金资助项目(50774104);;国家自然科学创新群体基金资助项目(50621403);;教育部重点资助项目(107090);;国家高技术研究发展计划(863计划)资助项目(2006AA06Z234) |
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| 摘 要： | 以重庆烟煤为原料,采用碳化-活化-气相沉积工艺制备了变压吸附(PSA)浓缩CH4/N2中CH4用的成型活性炭,考察了制备工艺条件对活性炭浓缩CH4/N2中CH4效果的影响。用低温液氮吸附方法对活性炭的孔结构进行了表征。实验结果表明,制备的成型活性炭在单循环五步PSA过程的抽真空步骤可使CH4的浓度较原料气提高20.0%(体积分数)左右。对浓缩效果为20%(体积分数)的AC-1活性炭进行了表征,其BET比表面积为580m2/g,微孔孔容为0.14cm3/g,孔径分布主要集中在2.0～4.0nm。
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| 关 键 词： | 成型活性炭 烟煤 CH4 CH4/N2 浓缩 变压吸附（PSA） |
Study on the preparation of shaped active carbon by bituminous coal and its performance for concentrating methane from CH_4/N_2 by pressure swing adsorption |
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| GU Min,LIU Ke-wan,XIAN Xue-fu,ZENG Lai,YAO Wei-jing.Study on the preparation of shaped active carbon by bituminous coal and its performance for concentrating methane from CH_4/N_2 by pressure swing adsorption[J].Journal of Functional Materials,2010,41(2). |
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| Authors: | GU Min LIU Ke-wan XIAN Xue-fu ZENG Lai YAO Wei-jing |
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| Affiliation: | Key Laboratory for the Exploitation of Southwest Resources & the Environmental Disaster Control Engineering Under the State Ministry of Education;College of Resources and Environmental Science;Chongqing University;Chongqing 400044;China |
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| Abstract: | Shaped active carbon adsorbents using bituminous coal from Chonqing mine as raw material for concentrating methane from CH4/N2 mixtures were prepared by taking carbonization-activation-deposition process and the effect of the preparation conditions on the pressure swing adsorption(PSA) concentrating performance was studied.The micro-structure characterization of active carbon was investigated by low temperature liquid nitrogen adsorption method.Experimental results showed that the methane concentration had ... |
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| Keywords: | CH_4 CH_4/N_2 shaped active carbon bituminous CH_4 CH_4/N_2 concentrating pressure swing adsorption (PSA) |
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