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题名: Experimental Evaluation of the Adsorption, Diffusion, and Separation of CH4/N-2 and CH4/CO2 Mixtures on Al-BDC MOF
作者: Sun, Tianjun1;  Hu, Jiangliang1;  Ren, Xinyu1;  Wang, Shudong1
关键词: metal-organic frameworks ;  natural gas ;  inverse gas chromatography ;  Al-BDC ;  adsorption
刊名: SEPARATION SCIENCE AND TECHNOLOGY
发表日期: 2015-04-13
DOI: 10.1080/01496395.2014.967407
卷: 50, 期:6, 页:874-885
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Adsorption equilibrium, thermodynamics, and kinetics of CH4, N-2, and CO2 were investigated by volumetric-chromatographic and inverse gas chromatographic (IGC) methods on the Al-BDC MOF. The binary adsorption data from the volumetric-chromatographic experiments represents that the Al-BDC MOF has a high CO2/CH4 selectivity ca. 11 and a CH4/N-2 selectivity ca. 4.3 at 303 K, and appears to be a good candidate for the CH4 separation. The initial adsorption heats of CH4, N-2, and CO2 on the Al-BDC MOF were determined to be 15.3, 11.5, and 32.2 kJmol(-1) by IGC method, respectively. Moreover, the micropore diffusivities of N-2, CH4 and CO2 in the Al-BDC MOF at 303 K were also estimated to be 1.58 x 10(-7) cm(2)/s, 7.04 x 10(-8) cm(2)/s, and 3.95 x 10(-9) cm(2)/s, respectively. The results indicate that micropores play a crucial role in the adsorptive separation of the CH4/N-2 and CH4/CO2 mixtures, and the IGC method is a validity manner to estimate the thermodynamic and kinetic parameters of MOF adsorbents.
关键词[WOS]: METAL-ORGANIC FRAMEWORK ;  ZEOLITIC IMIDAZOLATE FRAMEWORKS ;  INVERSE GAS-CHROMATOGRAPHY ;  MOLECULAR-SIEVE ;  HYDROCARBON SEPARATIONS ;  CAPTURE PROPERTIES ;  POROUS MATERIALS ;  CO2 ;  CARBON ;  CH4
语种: 英语
WOS记录号: WOS:000353384800012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146193
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Sun, Tianjun,Hu, Jiangliang,Ren, Xinyu,et al. Experimental Evaluation of the Adsorption, Diffusion, and Separation of CH4/N-2 and CH4/CO2 Mixtures on Al-BDC MOF[J]. SEPARATION SCIENCE AND TECHNOLOGY,2015,50(6):874-885.
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