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Tetra-n-butyl ammonium bromide semi-clathrate hydrate process for post-combustion capture of carbon dioxide in the presence of dodecyl trimethyl ammonium chloride
Li, Xiao-Sen1,2; Xu, Chun-Gang1,2,3; Chen, Zhao-Yang1,2; Wu, Hui-Jie1,2
2010-09-01
Source PublicationENERGY
ISSN0360-5442
Volume35Issue:9Pages:3902-3908
Contribution Rank[Li, Xiao-Sen; Xu, Chun-Gang; Chen, Zhao-Yang; Wu, Hui-Jie] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China; [Li, Xiao-Sen; Xu, Chun-Gang; Chen, Zhao-Yang; Wu, Hui-Jie] Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China; [Xu, Chun-Gang] Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China
Corresponding Authorlixs@ms.giec.ac.cn
AbstractTo determine the appropriate operating conditions for separating carbon dioxide from flue gas via the hydrate formation, the effects of the concentrations of dodecyl trimethyl ammonium chloride (DTAC) in 0.29 mol% Tetra-n-butyl ammonium bromide (TBAB) aqueous solution and the initial pressures on the induction time of the hydrate formation and CO(2) separation efficiency are investigated. The experiments are conducted at the DTAC concentration range of 0-0.056 mol%, initial pressures range of 0.66 MPa-2.66 MPa and temperature range of 274.95 K-277.15 K. The results indicate that the initial pressure of 1.66 MPa in conjunction with the concentration of 0.028 mol% DTAC is most favorable for CO(2) separation. At the condition, the induction time of forming the hydrate can be shortened considerably and CO(2) can be purified from 17.0 mol% to 99.4% with the two-stage hydrate separation process. CO(2) split fractions for Stage 1 and Stage 2 are 0.54 and 0.39, respectively, and the separation factors are 9.60 and 62.25, respectively. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
SubtypeArticle
Other AbstractTo determine the appropriate operating conditions for separating carbon dioxide from flue gas via the hydrate formation, the effects of the concentrations of dodecyl trimethyl ammonium chloride (DTAC) in 0.29 mol% Tetra-n-butyl ammonium bromide (TBAB) aqueous solution and the initial pressures on the induction time of the hydrate formation and CO(2) separation efficiency are investigated. The experiments are conducted at the DTAC concentration range of 0-0.056 mol%, initial pressures range of 0.66 MPa-2.66 MPa and temperature range of 274.95 K-277.15 K. The results indicate that the initial pressure of 1.66 MPa in conjunction with the concentration of 0.028 mol% DTAC is most favorable for CO(2) separation. At the condition, the induction time of forming the hydrate can be shortened considerably and CO(2) can be purified from 17.0 mol% to 99.4% with the two-stage hydrate separation process. CO(2) split fractions for Stage 1 and Stage 2 are 0.54 and 0.39, respectively, and the separation factors are 9.60 and 62.25, respectively. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
KeywordCo(2) Hydrate Flue Gas Tbab Dtac Semi-clathrate Hydrate
Subject AreaThermodynamics ; Energy & Fuels
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2010.06.009
WOS Subject ExtendedThermodynamics ; Energy & Fuels
URL查看原文
WOS KeywordUNSTIRRED GAS/LIQUID SYSTEM ; GAS HYDRATE ; PHASE-EQUILIBRIUM ; CO2 CAPTURE ; FLUE-GAS ; SURFACTANT ; TBAB ; NITROGEN ; METHANE
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China [20676133, 20773133]; Science & Technology Program of Guangdong Province [2009B050600006]; CAS [YZ200717, KGCX2-YW-3X6]
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000281178000046
Citation statistics
Cited Times:112[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/8488
Collection中国科学院广州能源研究所
天然气水合物开采技术与综合利用实验室
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, 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. Tetra-n-butyl ammonium bromide semi-clathrate hydrate process for post-combustion capture of carbon dioxide in the presence of dodecyl trimethyl ammonium chloride[J]. ENERGY,2010,35(9):3902-3908.
APA Li, Xiao-Sen,Xu, Chun-Gang,Chen, Zhao-Yang,&Wu, Hui-Jie.(2010).Tetra-n-butyl ammonium bromide semi-clathrate hydrate process for post-combustion capture of carbon dioxide in the presence of dodecyl trimethyl ammonium chloride.ENERGY,35(9),3902-3908.
MLA Li, Xiao-Sen,et al."Tetra-n-butyl ammonium bromide semi-clathrate hydrate process for post-combustion capture of carbon dioxide in the presence of dodecyl trimethyl ammonium chloride".ENERGY 35.9(2010):3902-3908.
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