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Hydrate-based hydrogen purification from simulated syngas with synergic additives
Xia, Zhiming1,2; Li, Xiaosen1,2; Chen, Zhaoyang1,2; Yan, Kefeng1,2; Xu, Chungang1,2; Cai, Jing1,2
2016-01-30
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号41期号:4页码:2649-2659
摘要Hydrated-based separation process has recently raised as a novel technology for hydrogen (H-2) purification from mixture gases containing carbon dioxide (CO2). However, the practical application requires suitable hydrate formation condition, hydrate formation rate, gas selectivity, gas storage capacity and so on. This work presents the effect of synergic additives on the hydrate-based syngas purification process based on the thermodynamic, kinetic, purification characteristic studies as well as microcosmic structure analysis. The synergic additives comprise traditional hydrate promoter (tetra-n-butyl ammonium bromide, TBAB) and gas solvent (dimethyl sulfoxide, DMSO). 40.2 mol% CO2/H-2 binary mixtures were selected as the simulated syngas. The results show that the synergic additives (TBAB-DMSO) can reduce the equilibrium hydrate formation pressure of the simulated syngas by 80%. Compared to single TBAB for the hydrate-based purification process, the synergic additives could improve the gas consumption rate of the unit system, gas storage capability and gas selectivity by about 32%, 105% and 51% respectively, and decrease the loss ratio of H-2 by 1.45%. The Raman analysis reveals that the simulated syngas forms semiclathrate framework with TBAB-DMSO. DMSO only performs as a gas solvent during the gas dissolution and diffusion process, and not participates in the hydrate framework formation. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
文章类型Article
关键词Syngas Purification Synergic Additive Gas Hydrate Hydrogen
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2015.12.065
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]PRE-COMBUSTION CAPTURE ; FIXED-BED REACTOR ; CARBON-DIOXIDE CAPTURE ; BUTYL AMMONIUM BROMIDE ; FUEL GAS-MIXTURE ; CO2 CAPTURE ; CLATHRATE HYDRATE ; PHASE-EQUILIBRIUM ; METHANE SEPARATION ; RESEARCH PROGRESS
收录类别SCI
语种英语
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000370306300053
引用统计
被引频次:7[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/344007/11120
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Xia, Zhiming,Li, Xiaosen,Chen, Zhaoyang,et al. Hydrate-based hydrogen purification from simulated syngas with synergic additives[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(4):2649-2659.
APA Xia, Zhiming,Li, Xiaosen,Chen, Zhaoyang,Yan, Kefeng,Xu, Chungang,&Cai, Jing.(2016).Hydrate-based hydrogen purification from simulated syngas with synergic additives.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(4),2649-2659.
MLA Xia, Zhiming,et al."Hydrate-based hydrogen purification from simulated syngas with synergic additives".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.4(2016):2649-2659.
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