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Synergic effect of cyclopentane and tetra-n-butyl ammonium bromide on hydrate-based carbon dioxide separation from fuel gas mixture by measurements of gas uptake and X-ray diffraction patterns
Li, Xiao-Sen1,2; Xu, Chun-Gang1,2,3; Chen, Zhao-Yang1,2; Cai, Jing1,2,3
2012
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号37期号:1页码:720-727
摘要The synergic effect of Cyclopentane (CP) and Tetra-n-butyl Ammonium Bromide (TBAB) on the hydrate-based carbon dioxide (CO2) separation from IGCC (Integrated Gasification Combined Cycle) syngas is investigated by measuring the gas uptake and the power X-ray diffraction (PXRD) patterns in this work. The CF with CP/TBAB solution ratio of 5 vol% added into the 0.29 mol% TBAB solution can remarkably increase the gas uptake at 4.0 MPa and 274.65 K. The PXRD patterns of the semi-clathrate (Sc) hydrate and structure II (sII) hydrate are obtained for the CP/TBAB/gas/H2O system. The synergic effect of the CF and the TBAB includes two aspects: On one hand, the CF molecules housed in the hollow centers of the large cavities together with TBAB cations (TBA(+)) make the sc hydrate more stable. On the other hand, the TBA(+) displaced out of the large cavities by the CF molecules make the ionization reaction of TBAB in the solution going toward the reverse direction. Thus, the more TBAB molecules exist in the solution and form the more sc hydrate, resulting in the considerable increase of the gas uptake. Crown Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Tbab Cp Igcc Gas Uptake Hydrate Co2 Separation
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2011.09.053
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]CLATHRATE HYDRATE ; HYDROGEN STORAGE ; CO2 CAPTURE ; FLUE-GAS ; EQUILIBRIUM ; CRYSTALLIZATION ; SEMICLATHRATE ; PROPANE ; METHANE
收录类别SCI
语种英语
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000300470000070
引用统计
被引频次:96[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10597
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China
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Li, Xiao-Sen,Xu, Chun-Gang,Chen, Zhao-Yang,et al. Synergic effect of cyclopentane and tetra-n-butyl ammonium bromide on hydrate-based carbon dioxide separation from fuel gas mixture by measurements of gas uptake and X-ray diffraction patterns[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(1):720-727.
APA Li, Xiao-Sen,Xu, Chun-Gang,Chen, Zhao-Yang,&Cai, Jing.(2012).Synergic effect of cyclopentane and tetra-n-butyl ammonium bromide on hydrate-based carbon dioxide separation from fuel gas mixture by measurements of gas uptake and X-ray diffraction patterns.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,37(1),720-727.
MLA Li, Xiao-Sen,et al."Synergic effect of cyclopentane and tetra-n-butyl ammonium bromide on hydrate-based carbon dioxide separation from fuel gas mixture by measurements of gas uptake and X-ray diffraction patterns".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 37.1(2012):720-727.
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