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INVESTIGATION OF CO2 SEPARATION FROM SYNTHESIS CO2/CH4 MIXTURE UTILIZING TETRA-N-BUTYL AMMONIUM BROMIDE SEMI-HYDRATE
Zang, Xiaoya1,2; Liang, Deqing1,2; Wu, Nengyou1,3
2016-09-01
Source PublicationCANADIAN JOURNAL OF CHEMICAL ENGINEERING
Volume94Issue:9Pages:1792-1800
AbstractSemi-clathrate hydrates of tetra-n-butyl ammonium bromide (TBAB) offer a potential solution for separation of CO2 from biogas. In this work, gas hydrate formation from a CO2/CH4 mixture in distilled water with 0.05 gig (5 wt%) TBAB was examined at 275, 277, and 279 K with pressures of 4000,'5000, and 6000 kRa. The compositional changes of the gas phase were analyzed continuously during the hydrate formation process. The results indicated that no significant induction occurred during hydrate formation. The CO2 separation factor increased with decreasing temperature and increasing pressure. The maximum amount of CO2 gas molar ratio in the residual gas phase was 79.81 mol % at 4000 kPa and 275 K with a gas/liquid volume ratio (V-g/V-I) of 1. TBAB promoted hydrate formation and CO2 separation; however, the CO2 separation factor decreased in a decomposed solution compared with fresh TBAB solution. The experimental results provide a theoretical basis for the use of hydrate basedgas separation (HBGS) technology in biogas purification.
SubtypeArticle
KeywordGas Hydrate Formation Co2 Separation Tbab
WOS HeadingsScience & Technology ; Technology
DOI10.1002/cjce.22545
WOS Subject ExtendedEngineering
WOS KeywordPHASE-EQUILIBRIUM MEASUREMENTS ; AQUEOUS-SOLUTION SYSTEMS ; CARBON-DIOXIDE ; COMPOSITIONAL ANALYSIS ; METHANE SEPARATION ; NATURAL-GAS ; CHLORIDE TBAC ; FLUE-GAS ; CAPTURE ; CH4
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51206169) ; CAS Program(KGZD-EW-301)
WOS SubjectEngineering, Chemical
WOS IDWOS:000383705700018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14000
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Nat Gas Hydrate, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.China Geol Survey, Qingdao Inst Marine Geol, Qingdao 266000, Shandong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zang, Xiaoya,Liang, Deqing,Wu, Nengyou. INVESTIGATION OF CO2 SEPARATION FROM SYNTHESIS CO2/CH4 MIXTURE UTILIZING TETRA-N-BUTYL AMMONIUM BROMIDE SEMI-HYDRATE[J]. CANADIAN JOURNAL OF CHEMICAL ENGINEERING,2016,94(9):1792-1800.
APA Zang, Xiaoya,Liang, Deqing,&Wu, Nengyou.(2016).INVESTIGATION OF CO2 SEPARATION FROM SYNTHESIS CO2/CH4 MIXTURE UTILIZING TETRA-N-BUTYL AMMONIUM BROMIDE SEMI-HYDRATE.CANADIAN JOURNAL OF CHEMICAL ENGINEERING,94(9),1792-1800.
MLA Zang, Xiaoya,et al."INVESTIGATION OF CO2 SEPARATION FROM SYNTHESIS CO2/CH4 MIXTURE UTILIZING TETRA-N-BUTYL AMMONIUM BROMIDE SEMI-HYDRATE".CANADIAN JOURNAL OF CHEMICAL ENGINEERING 94.9(2016):1792-1800.
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