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Formation of cyclopentane - methane hydrates in brine systems and characteristics of dissolved ions
Lv, Qiu-Nan; Li, Xiao-Sen1; Chen, Zhao-Yang
2016-12-15
发表期刊APPLIED ENERGY
卷号184页码:482-490
摘要BaSed on the hot brine in situ seafloor prepared for marine NGHs exploitation, the formation of hydrates and the characteristics of dissolved ions were investigated for the cyclopentane (CP)-methane-NaCl solution (3.5%) system. Both the gas consumption and the solution salinity influenced by two factors - the flow rate of gas (Q(g)) and the mass fraction of CP (M-CP)-were discussed. On one hand, the gas consumption went up at a lower Mcp (3.950 wt%) while dropped down at a higher M-CP (8.340 or 18.775 wt%) with the increase of Q(g). Nevertheless, higher mass fraction of CP behaved more favorable for the gas consumption. On the other hand, there would be a similar trend that the salinity of remaining liquid increased firstly and then decreased with the reaction time at any fixed Q(g) and M-CP, which might be attributed to the adsorption of Na+ and Cl- on the surface of hydrate. Furthermore, PXRD analysis of the hydrate was conducted to confirm this explanation. And it was confirmed that the ion of Na+ or Cl- did not play any role in the construction of hydrate cages. Meanwhile, CP was enclosed in large cavities (51264s) while CH4 was mainly enclosed in the small cavities (512). (C) 2016 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Cyclopentane-methane Hydrate Hot Brine Bubble Salinity Pxrd
WOS标题词Science & Technology ; Technology
资助者National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; 51376183) ; National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; 51376183)
DOI10.1016/j.apenergy.2016.10.035
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]CARBON-DIOXIDE CAPTURE ; GAS HYDRATE ; PHASE-EQUILIBRIUM ; DISSOCIATION ENTHALPIES ; THERMAL-STIMULATION ; FORMATION KINETICS ; CLATHRATE PROCESS ; BUBBLE-COLUMN ; POROUS-MEDIA ; REACTOR
收录类别SCI
语种英语
资助者National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; 51376183) ; National Science Fund for Distinguished Young Scholars of China(51225603) ; National Natural Science Foundation of China(51506203 ; International S&T Cooperation Program of China(2015DFA61790) ; 51376183)
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000389785200040
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/13984
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, 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
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Lv, Qiu-Nan,Li, Xiao-Sen,Chen, Zhao-Yang. Formation of cyclopentane - methane hydrates in brine systems and characteristics of dissolved ions[J]. APPLIED ENERGY,2016,184:482-490.
APA Lv, Qiu-Nan,Li, Xiao-Sen,&Chen, Zhao-Yang.(2016).Formation of cyclopentane - methane hydrates in brine systems and characteristics of dissolved ions.APPLIED ENERGY,184,482-490.
MLA Lv, Qiu-Nan,et al."Formation of cyclopentane - methane hydrates in brine systems and characteristics of dissolved ions".APPLIED ENERGY 184(2016):482-490.
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