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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
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume37Issue:1Pages:720-727
AbstractThe 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.
SubtypeArticle
KeywordTbab Cp Igcc Gas Uptake Hydrate Co2 Separation
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2011.09.053
WOS Subject ExtendedChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordCLATHRATE HYDRATE ; HYDROGEN STORAGE ; CO2 CAPTURE ; FLUE-GAS ; EQUILIBRIUM ; CRYSTALLIZATION ; SEMICLATHRATE ; PROPANE ; METHANE
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000300470000070
Citation statistics
Cited Times:62[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10597
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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