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《Materials Review》 2010-01
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Progress in Molecular Sieve Adsorbents for Separation of CH_4/N_2 by Pressure Swing Adsorption

LIU Kewan1,GU Min1,XIAN Xiaohong2(1 Key Laboratory for the Exploitation of Southwest Resources & the Environmental Disaster Control Engineering of the State Ministry of Education,College of Resources and Environmental Science,Chongqing University,Chongqing 400044;2 College of Chemistry and Chemical Engineering,Chongqing University,Chongqing 400044)  
The research and application progress at home and abroad of molecular sieve adsorbents,including zeolite molecular sieves (ZMSs) and carbon molecular sieves (CMSs),used for the separation of CH4/N2 by pressure swing adsorption (PSA)are described.The types of ZMSs and CMSs and their corresponding principles and effects of PSA separation for CH4/N2 are introduced.The correlations between the compositions and pore structure size of ZMSs and their PSA separation effects are expounded in detail.The advantages and deficiencies in PSA separation with various molecular sieve adsorbents are summarized.Application of the PSA process using molecular sieve as adsorbents,which has a kinetic separation effect,to the separation of CH4/N2 enjoys the advantages of low energy cost and satisfactory separation performance.This may inspire the prosperity of research and development of ZMSs and CMSs adsorbents with kinetic separation effect.
【Fund】: 国家自然科学基金资助项目(50774104);; 教育部重点项目(107090);; 国家863计划(2006AA06Z234)
【CateGory Index】: TQ028.15
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
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