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Phase Equilibria of Double Semiclathrate Hydrates Formed with Tetraamylammonium Bromide Plus CH4, CO2, or N-2
Shi, Lingli1,2; Liang, Deqing1
2015-09-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume60Issue:9Pages:2749-2755
AbstractDissociation data for the semiclathrate hydrates formed with tetraamylammonium bromide (TAAB: C20H44NBr) + CH4, + CO2, or + N-2 were measured in the pressure range of (1.33 to 20.37) MPa and temperature range of (279.8 to 291.9) K at (0.050 and 0.100) mass fraction of TAAB. The experimental data were obtained by employing an isochoric pressure-search method. The results showed that at a given pressure, the temperature required to form double TAAB + CH4, + CO2 or + N-2 hydrates was higher than that required for the corresponding pure CH4, CO2, or N-2 hydrates, and as the TAAB concentration increased, its effect of enlarging the hydrate stability zone was strengthened. However, the experimental dissociation temperatures for double semiclathrate hydrates were lower than those for TAAB hydrates formed without guest gases. In addition, the data for double semiclathrate hydrates formed from TAAB generated in this work were compared with those formed from some other semiclathrate hydrate formers (such as tetrabutylammonium bromide, tetrabutylammonium chloride, and tetrabutylammonium fluoride) reported in literature.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.5b00516
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordBUTYL AMMONIUM BROMIDE ; SEMI-CLATHRATE HYDRATE ; AQUEOUS-SOLUTION SYSTEMS ; GUEST GAS ENCLATHRATION ; N-BUTYLAMMONIUM BROMIDE ; CARBON-DIOXIDE ; CHLORIDE TBAC ; NATURAL-GAS ; FLUE-GAS ; DISSOCIATION ENTHALPIES
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000361253500027
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10863
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shi, Lingli,Liang, Deqing. Phase Equilibria of Double Semiclathrate Hydrates Formed with Tetraamylammonium Bromide Plus CH4, CO2, or N-2[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2015,60(9):2749-2755.
APA Shi, Lingli,&Liang, Deqing.(2015).Phase Equilibria of Double Semiclathrate Hydrates Formed with Tetraamylammonium Bromide Plus CH4, CO2, or N-2.JOURNAL OF CHEMICAL AND ENGINEERING DATA,60(9),2749-2755.
MLA Shi, Lingli,et al."Phase Equilibria of Double Semiclathrate Hydrates Formed with Tetraamylammonium Bromide Plus CH4, CO2, or N-2".JOURNAL OF CHEMICAL AND ENGINEERING DATA 60.9(2015):2749-2755.
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