Methane recovery from natural gas hydrate with simulated IGCC syngas

doi:10.1016/j.energy.2016.12.129

GIEC OpenIR > 中国科学院广州能源研究所

	Methane recovery from natural gas hydrate with simulated IGCC syngas
	Ding, Ya-Long 1,2,3,4; Xu, Chun-Gang 1,2,3; Yu, Yi-Song 1,2,3,4; Li, Xiao-Sen1,2,3
	2017-02-01
发表期刊	ENERGY
卷号	120 页码:192-198
摘要	Methane(CH4) recovery from natural gas hydrates(NGHs) by CO2-CH4 replacement is considered as a win-win technology for producing CH4 and sequestrating CO2 synchronously. In this investigation, simulated Integrated Gasification Combined Cycle (IGCC) syngas of CO2/H-2 gas mixture is used to replace CH4 from simulated methane hydrate which is formed in pure water at 274.15 K and 4.5 MPa. The changes of concentrations of CH4, CO2 and H-2 in gas phase during the replacement process are supervised by Gas Chromatograph (GC), and the gas hydrates are determined through in situ Raman. Meanwhile, the CH4 recovery and the replacement mechanism are qualitatively analyzed. The results indicate that, on one hand, the replacement consists of two steps, CH4 hydrate dissociation at the first and followed by CO2 hydrate formation, on the other hand, the CH4 recovery from CH4-CO2/H-2 replacement is more than 71% which is significantly higher than that from CH4-CO2 replacement. Notably, no H-2 is found in the hydrate phase in the replacement process, which implying that H-2 does not compete with CH4 molecules occupying hydrate cages but plays promotion role in CO2-CH4 replacement.(C) 2017 Elsevier Ltd. All rights reserved.
文章类型	Article
关键词	Ch4 Hydrate Replacement Igcc Syngas Raman
WOS标题词	Science & Technology ; Physical Sciences ; Technology
DOI	10.1016/j.energy.2016.12.129
研究领域[WOS]	Thermodynamics ; Energy & Fuels
关键词[WOS]	GASIFICATION COMBINED-CYCLE ; CARBON-DIOXIDE ; PHASE-EQUILIBRIA ; HIGH-PRESSURE ; CO2 ; REPLACEMENT ; EXPLOITATION ; MIXTURE ; SYSTEM ; SPECTROSCOPY
收录类别	SCI
语种	英语
项目资助者	National Natural Science Fund(51376184) ; National Science Fund for Distinguished Young Scholars of China(51225603) ; International S&T Cooperation Program of China(2015DFA61790)
WOS类目	Thermodynamics ; Energy & Fuels
WOS记录号	WOS:000395953000017
引用统计	被引频次：37[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/344007/14074
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 510641, 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 4.Univ Chinese Acad Sci, Beijing 100083, 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	Ding, Ya-Long,Xu, Chun-Gang,Yu, Yi-Song,et al. Methane recovery from natural gas hydrate with simulated IGCC syngas[J]. ENERGY,2017,120:192-198.
APA	Ding, Ya-Long,Xu, Chun-Gang,Yu, Yi-Song,&Li, Xiao-Sen.(2017).Methane recovery from natural gas hydrate with simulated IGCC syngas.ENERGY,120,192-198.
MLA	Ding, Ya-Long,et al."Methane recovery from natural gas hydrate with simulated IGCC syngas".ENERGY 120(2017):192-198.