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Phase Equilibrium Data for Semiclathrate Hydrate of Synthesized Binary CO2/CH4 Gas Mixture in Tetra-n-butylammonium Bromide Aqueous Solution
Zane, Xiaoya1,2,3; Liang, Deqing1,2,3
2017-02-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume62Issue:2Pages:851-856
AbstractHydrate-based gas separation(HBGS) technology based on tetra n n-butyl ammonium bromide (TBAB) semiclathrare hydrate can be utilized in CO2 separation from biogas. The phase equilibria of semiclathrate hydrates are crucial for the successful industrial application of HBGS technology. In this work, the phase equilibrium data of TBAB semiclathrate hydrate with a 2 6 synthesized binary CO2/CH4 mixed gas (0.5 CO2 and 0.5 CH4 in mole fraction) were reported at five different TBAB concentrations (0.001, 0.01, 0.05, 0.1, and 0.2 mass fraction). The experiments were conducted in the temperature range (278.1 to 292.6) K and pressure range (2.17 to 8.16) MPa using an isochoric method. The agreement between the experimental data and the data reported in the literature indicated the reliability of the apparatus and method. The results showed that there were no obvious thermodynamic promotion effects on the CO2/CH4 mixed gas hydrate phase equilibrium conditions when the mass fraction of TBAB was less than 0.01, while there was a significant affect on the CO2/CH4 mixed gas hydrate phase equilibrium conditions when the mass fraction of TBAB was greater than 0.05. In addition, the results also indicated that the promotion effect of TBAB on the CO2/CH4 gas hydrate formation may be varied as the concentration of TBAB in the aqueous solutions changes.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.6b00876
WOS Subject ExtendedThermodynamics ; Chemistry ; Engineering
WOS KeywordCARBON-DIOXIDE CAPTURE ; AMMONIUM-CHLORIDE TBAC ; FLUE-GAS ; NATURAL-GAS ; CO2 CAPTURE ; SEPARATION PROCESS ; METHANE ; WATER ; CH4 ; THF
Indexed BySCI
Language英语
Funding OrganizationNSFC(51676197) ; CAS Program(KGZD-EW-301)
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000393929600029
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14039
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
2.CAS Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zane, Xiaoya,Liang, Deqing. Phase Equilibrium Data for Semiclathrate Hydrate of Synthesized Binary CO2/CH4 Gas Mixture in Tetra-n-butylammonium Bromide Aqueous Solution[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2017,62(2):851-856.
APA Zane, Xiaoya,&Liang, Deqing.(2017).Phase Equilibrium Data for Semiclathrate Hydrate of Synthesized Binary CO2/CH4 Gas Mixture in Tetra-n-butylammonium Bromide Aqueous Solution.JOURNAL OF CHEMICAL AND ENGINEERING DATA,62(2),851-856.
MLA Zane, Xiaoya,et al."Phase Equilibrium Data for Semiclathrate Hydrate of Synthesized Binary CO2/CH4 Gas Mixture in Tetra-n-butylammonium Bromide Aqueous Solution".JOURNAL OF CHEMICAL AND ENGINEERING DATA 62.2(2017):851-856.
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