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Phase Equilibria and the Crystallographic Properties of TBAB-CO2 Semiclathrate Hydrates
Zhou, Xuebing1,2,3; Long, Zhen1; He, Yong1; Shen, Xiaodong1; Liang, Deqing1
2018-05-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
卷号63期号:5页码:1249-1255
通讯作者Liang, Deqing(liangdq@ms.giec.ac.cn)
摘要Understanding the crystal properties of semiclathrate hydrates is important for their potential application in gas storage and separation. In this work, the phase equilibria of TBAB-CO2 hydrates were measured and hydrates formed from the solutions where TBAB concentrations ranged from 0.01 to 0.32 mass fraction were analyzed using Raman and powder X-ray diffraction. Results showed that the equilibrium pressure of TBAB-CO2 hydrate was more sensitive to temperature than that of simple CO2 hydrate, and the equilibrium temperature also got increased with a rise in TBAB concentration. By measuring the hydrate samples formed at 274 K and 3 MPa, the simple CO2 hydrates could be found distributed randomly and discontinuously in the samples, while the TBAB-CO2 hydrate crystals were relatively large. The simple CO2 hydrate was found to coexist with TBAB-CO2 hydrate, and the TBAB center dot 38H(2)O was the only semiclathrate hydrate structure regardless of the initial concentrations of TBAB. When the TBAB concentration was high, the simple CO2 hydrate was assumed to grow competitively with TBAB-CO2 hydrate.
DOI10.1021/acs.jced.7b00884
关键词[WOS]N-BUTYLAMMONIUM BROMIDE ; BUTYL AMMONIUM BROMIDE ; CO2 CAPTURE ; GAS-MIXTURES ; DISSOCIATION ENTHALPIES ; METHANE HYDRATE ; CRYSTAL-GROWTH ; CHLORIDE ; TETRABUTYLAMMONIUM ; ENCLATHRATION
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51706230] ; National Natural Science Foundation of China[41473063] ; CAS Program[KGZD-EW-301]
WOS研究方向Thermodynamics ; Chemistry ; Engineering
项目资助者National Natural Science Foundation of China ; CAS Program
WOS类目Thermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000432206100016
出版者AMER CHEMICAL SOC
引用统计
被引频次:9[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/344007/23405
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, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Zhou, Xuebing,Long, Zhen,He, Yong,et al. Phase Equilibria and the Crystallographic Properties of TBAB-CO2 Semiclathrate Hydrates[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2018,63(5):1249-1255.
APA Zhou, Xuebing,Long, Zhen,He, Yong,Shen, Xiaodong,&Liang, Deqing.(2018).Phase Equilibria and the Crystallographic Properties of TBAB-CO2 Semiclathrate Hydrates.JOURNAL OF CHEMICAL AND ENGINEERING DATA,63(5),1249-1255.
MLA Zhou, Xuebing,et al."Phase Equilibria and the Crystallographic Properties of TBAB-CO2 Semiclathrate Hydrates".JOURNAL OF CHEMICAL AND ENGINEERING DATA 63.5(2018):1249-1255.
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