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Phase equilibrium conditions for simulated landfill gas hydrate formation in aqueous solutions of tetrabutylammonium nitrate
Shi, Ling-Li1,2; Liang, De-Qing1; Li, Dong-Liang1
2014
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
Volume68Pages:322-326
AbstractHydrate phase equilibrium conditions for the simulated landfill gas (LFG) of methane and carbon dioxide (50 mol% methane, 50 mol% carbon dioxide) were investigated with the pressure range of (1.90 to 13.83) MPa and temperature range of (280.0 to 288.3) K at (0.050, 0.170, 0.340, and 0.394) mass fraction (w) of tetrabutylammonium nitrate (TBANO(3)). The phase boundary between liquid-vapor-hydrate (L-V-H) phases and liquid-vapor (L-V) phases was determined by employing an isochoric pressure-search method. The phase equilibrium data measured showed that TBANO3 appeared a remarkable promotion effect at w(TBANO3) = 0.394, corresponding to TBANO(3) center dot 26H(2)O, but inhibition effect at w(TBANO3) = (0.050, or 0.170) on the semiclathrate hydrate formation. In addition, the application of TBANO(3) at 0.340 mass fraction, corresponding to TBANO(3) center dot 32H(2)O, displayed promotion effect at lower pressures (below 6.38 MPa) and inhibition effect at higher pressures (above 6.38 MPa). (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMethane Clathrate Hydrate Carbon Dioxide Phase Equilibrium Tetrabutylammonium Nitrate
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jct.2013.09.029
WOS Subject ExtendedThermodynamics ; Chemistry
WOS KeywordBUTYL AMMONIUM BROMIDE ; SEMI-CLATHRATE HYDRATE ; CARBON-DIOXIDE ; DISSOCIATION ENTHALPIES ; SEMICLATHRATE HYDRATE ; CO2 CAPTURE ; PLUS WATER ; METHANE ; HYDROGEN ; TBAB
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Chemistry, Physical
WOS IDWOS:000326271100042
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10779
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Shi, Ling-Li,Liang, De-Qing,Li, Dong-Liang. Phase equilibrium conditions for simulated landfill gas hydrate formation in aqueous solutions of tetrabutylammonium nitrate[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2014,68:322-326.
APA Shi, Ling-Li,Liang, De-Qing,&Li, Dong-Liang.(2014).Phase equilibrium conditions for simulated landfill gas hydrate formation in aqueous solutions of tetrabutylammonium nitrate.JOURNAL OF CHEMICAL THERMODYNAMICS,68,322-326.
MLA Shi, Ling-Li,et al."Phase equilibrium conditions for simulated landfill gas hydrate formation in aqueous solutions of tetrabutylammonium nitrate".JOURNAL OF CHEMICAL THERMODYNAMICS 68(2014):322-326.
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