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Cyclopentane Hydrate Crystal Growth Behavior at the Three-Phase Interface with the Presence of Fine-Grained Sediments

文献类型：期刊论文

作者Wang, Yanhong1; Li, Xin1; Fan, Shuanshi1; Wang, Shenglong1,2; Lang, Xuemei1; Yu, Chi1
刊名ENERGY & FUELS
出版日期2021-01-21
卷号35期号:2页码:1433-1441
ISSN号0887-0624
DOI10.1021/acs.energyfuels.0c04111
通讯作者Wang, Shenglong(swang@scut.edu.ch) ; Lang, Xuemei(cexmlang@scut.edu.cn)
英文摘要To provide evidence for hydrate occurrence states in marine sediments, cyclopentane (CP) hydrate crystal growth at interfaces of water-CP, water-silica-CP, and water-kaolin-CP was observed through a perfluoroalkoxy ethylene (PFA) tube. The effect of water salinity on the growth of CP hydrate crystals in silica sand and kaolin was also investigated. It was found that the growth of CP hydrate crystals caused the migration of sediment particles, but the migration of kaolin particles was not obvious. The measurement results of the growth length of the hydrate crystal surface showed that the addition of sediments increased the growth of the hydrate crystal, and the growth rate of the hydrate crystal in the silica sand was larger than that in the kaolin. The increased growth rate of hydrate crystals implied that CP and water could react quickly to form hydrates, resulting in smaller crystal size and a rougher crystal surface. The growth rate of hydrate crystals became slower after adding NaCl into the water phase, NaCl also changed the growth pattern of hydrate crystals, making the crystal surface rough. The difference in growth behavior and morphology of hydrate crystals in fine-grained sediments is believed to be closely related to the surface properties of silica sand and kaolin, and a possible growth mechanism of CP hydrate crystals at the multiphase interface with fine-grained sediments was proposed.
资助项目National Key R&D Program of China[2017YFC0307302] ; National Key R&D Program of China[2017YFC0307303] ; National Key R&D Program of China[2016YFC0304006] ; National Natural Science Foundation of China[51876069] ; National Natural Science Foundation of China[21736005] ; China Postdoctoral Science Foundation[2019M652891] ; Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences[Y907kh1001]
WOS研究方向Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:000613197300042
出版者AMER CHEMICAL SOC
资助机构National Key R&D Program of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
源URL[http://ir.giec.ac.cn/handle/344007/32683]  
专题中国科学院广州能源研究所
通讯作者Wang, Shenglong; Lang, Xuemei
作者单位1.South China Univ Technol, Sch Chem & Chem Engn, Key Lab Enhanced Heat Transfer & Energy Conversat, Minist Educ, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Yanhong,Li, Xin,Fan, Shuanshi,et al. Cyclopentane Hydrate Crystal Growth Behavior at the Three-Phase Interface with the Presence of Fine-Grained Sediments[J]. ENERGY & FUELS,2021,35(2):1433-1441.
APA Wang, Yanhong,Li, Xin,Fan, Shuanshi,Wang, Shenglong,Lang, Xuemei,&Yu, Chi.(2021).Cyclopentane Hydrate Crystal Growth Behavior at the Three-Phase Interface with the Presence of Fine-Grained Sediments.ENERGY & FUELS,35(2),1433-1441.
MLA Wang, Yanhong,et al."Cyclopentane Hydrate Crystal Growth Behavior at the Three-Phase Interface with the Presence of Fine-Grained Sediments".ENERGY & FUELS 35.2(2021):1433-1441.

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来源：广州能源研究所

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