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	Experimental Study on the Effect of Pressure on the Replacement Process of CO2-CH4 Hydrate below the Freezing Point
	Zhang, Xuemin1,2; Li, Yang1,2; Yao, Ze1,2; Li, Jinping1,2; Wu, Qingbai1,3; Wang, Yingmei1,2
刊名	ENERGY & FUELS
	2018
卷号	32期号:1页码:646-650
ISSN号	0887-0624
DOI	10.1021/acs.energyfuels.7b02655
通讯作者	Zhang, Xuemin(zxm2010lut@163.com)
英文摘要	The recovery of natural gas from CH4 hydrate deposits in permafrost environments through injection of CO2 is considered to be a suitable strategy for CH4 production and CO2 storage. To study the replacement characteristics of CO2-CH4 hydrate below the freezing point, the experiment was conducted in ice powder with particle size of 800 mu m at different injection pressures (3.6, 4.0, and 4.5 MPa) of CO2. The experimental results showed that the average replacement rate and efficiency increased with the increasing of injected pressure of CO2 gas. Also, the average replacement rate and efficiency reached up to 0.403 mmol/h and 13.20% when the injected pressure of CO2 was at 4.5 MPa. The results also indicated that, compared with the temperature conditions above the freezing point, the replacement rate of CO3-CH4 hydrate was slow below the freezing point. These results provide a theoretical guidance for gas production from methane hydrate using CO2-CH4 replacement method in permafrost region in the future.
收录类别	SCI
WOS关键词	NATURAL-GAS HYDRATE ; CARBON-DIOXIDE ; CH4-CO2 REPLACEMENT ; LIQUID CO2 ; METHANE ; ACCUMULATIONS ; RECOVERY ; CH4
WOS研究方向	Energy & Fuels ; Engineering
WOS类目	Energy & Fuels ; Engineering, Chemical
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000423253200067
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2558075
专题	寒区旱区环境与工程研究所
通讯作者	Zhang, Xuemin
作者单位	1.Lanzhou Univ Technol, Western China Res Ctr Energy & Environm, Lanzhou 730050, Gansu, Peoples R China 2.Key Lab Complementary Energy Syst Biomass & Solar, Lanzhou 730050, Gansu, Peoples R China 3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xuemin,Li, Yang,Yao, Ze,et al. Experimental Study on the Effect of Pressure on the Replacement Process of CO2-CH4 Hydrate below the Freezing Point[J]. ENERGY & FUELS,2018,32(1):646-650.
APA	Zhang, Xuemin,Li, Yang,Yao, Ze,Li, Jinping,Wu, Qingbai,&Wang, Yingmei.(2018).Experimental Study on the Effect of Pressure on the Replacement Process of CO2-CH4 Hydrate below the Freezing Point.ENERGY & FUELS,32(1),646-650.
MLA	Zhang, Xuemin,et al."Experimental Study on the Effect of Pressure on the Replacement Process of CO2-CH4 Hydrate below the Freezing Point".ENERGY & FUELS 32.1(2018):646-650.

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