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Stability Conditions for Semiclathrate Hydrates Formed with Tetrabutylammonium Chloride plus Tetrabutylphosphonium Chloride + CH4
Shi, Lingli1,2,3; He, Yong1,2,3; Lu, Jingsheng1,2,3; Liang, Deqing1,2,3
2021-11-11
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
卷号66期号:11页码:4056-4063
通讯作者Liang, Deqing(liangdq@ms.giec.ac.cn)
摘要Semiclathrate hydrate is a promising method to ease the thermodynamic conditions of gas hydrate formation for hydrate-based gas storage and transportation on the industrial scale. The phase equilibrium conditions of mixed semiclathrate hydrate formed with tetrabutylammonium chloride (TBAC) + tetrabutylphosphonium chloride (TBPC) + CH4 were measured systematically by employing the isochoric pressure-search method. The data revealed that mixed TBAC + TBPC exerted relatively higher stabilization effect on CH4 hydrate than pure TBAC or TBPC, and the strongest stabilization effect showed up in system with 0.0300 total salt mole fraction (x(salt)) and 0.75 TBAC salt ratio (x(TBAC)/x(salt)). In addition, the dissociation enthalpies of mixed (TBAC + TBPC + CH4) hydrate were calculated with the obtained experimental data by using the simplified Clausius-Clapeyron equation and the Peng-Robinson equation of state. It was found that the mean dissociation enthalpies for mixed (TBAC + TBPC + CH4) hydrate with different salt concentration relied on a (153.04 to 203.92 kJ/molCH(4)) scale, which was significantly higher than that of the pure CH4 hydrate. The data generated in this work showed that mixed TBAC + TBPC could enhance CH4 hydrate stability and the stored energy effectively.
DOI10.1021/acs.jced.1c00309
关键词[WOS]BUTYL AMMONIUM-CHLORIDE ; PHASE-EQUILIBRIUM ; CARBON-DIOXIDE ; THERMODYNAMIC PROPERTIES ; CLATHRATE HYDRATE ; AQUEOUS-SOLUTIONS ; COLD-STORAGE ; METHANE ; BROMIDE ; WATER
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51976227] ; National Natural Science Foundation of China[52004261] ; Guangdong Province MEDP Fund[GDOE[2019]A39] ; Guangdong Province MEDP Fund[GDOE[2019]A54] ; PetroChina Innovation Foundation[2019D-50070216] ; Fund of Key Laboratory of Gas Hydrate Chinese Academy of Sciences[E029020501] ; Youth Innovation Promotion Association CAS[2020344]
WOS研究方向Thermodynamics ; Chemistry ; Engineering
项目资助者National Natural Science Foundation of China ; Guangdong Province MEDP Fund ; PetroChina Innovation Foundation ; Fund of Key Laboratory of Gas Hydrate Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS
WOS类目Thermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000718381300007
出版者AMER CHEMICAL SOC
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/35274
专题中国科学院广州能源研究所
通讯作者Liang, Deqing
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
3.State Key Lab Nat Gas Hydrate, Beijing 100028, Peoples R China
第一作者单位中国科学院广州能源研究所
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GB/T 7714
Shi, Lingli,He, Yong,Lu, Jingsheng,et al. Stability Conditions for Semiclathrate Hydrates Formed with Tetrabutylammonium Chloride plus Tetrabutylphosphonium Chloride + CH4[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2021,66(11):4056-4063.
APA Shi, Lingli,He, Yong,Lu, Jingsheng,&Liang, Deqing.(2021).Stability Conditions for Semiclathrate Hydrates Formed with Tetrabutylammonium Chloride plus Tetrabutylphosphonium Chloride + CH4.JOURNAL OF CHEMICAL AND ENGINEERING DATA,66(11),4056-4063.
MLA Shi, Lingli,et al."Stability Conditions for Semiclathrate Hydrates Formed with Tetrabutylammonium Chloride plus Tetrabutylphosphonium Chloride + CH4".JOURNAL OF CHEMICAL AND ENGINEERING DATA 66.11(2021):4056-4063.
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