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Simulation of the Decomposition of Natural Gas Hydrate in Porous Media by Hot Water Injection
Zhou, Xitang1; Tao, Xianhua2; Liang, Deqing3; Fan, Shuanshi4
2008
Source PublicationENERGY EXPLORATION & EXPLOITATION
Volume26Issue:4Pages:267-279
AbstractAs a reference of the recovery of natural gas hydrates by hot water injection, the decomposition of natural gas hydrates in sediments due to heat stimulation was simulated experimentally and numerically. It is supposed the radial diffusion model describes the decomposition of natural gas hydrates in sediments owing to hot water injection, and the hydrate decomposition is a one-order reaction. Combining the rate equation of the decomposing reaction with the rate equation of the heat transfer and heat balance equation, the relationship between the accumulative quantity of methane and decomposing time t was obtained i.e.. n(o) - n(H) = 2.7 x 10(-2) (theta(3) - 10)(1/2)t(3/2). By comparing the results from the experiment and numerical simulation, it was found that, under the experimental conditions, the rate coefficient of hydrate decomposition was 2.675x10(-4) mol/(m(2)-Pa.min), which was found to be consistent with the experimental results.
SubtypeArticle
KeywordSimulation Natural Gas Hydrates Methane Hydrate Decomposition By Hot Water Injection Porous Media
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedEnergy & Fuels
WOS KeywordMETHANE HYDRATE ; PHASE-EQUILIBRIA ; CARBON-DIOXIDE ; DISSOCIATION ; HEAT
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels
WOS IDWOS:000264385700004
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10294
Collection中国科学院广州能源研究所
Affiliation1.Maoming Univ, Sch Chem & Environ Engn, Maoming 525000, Guangdong, Peoples R China
2.Maoming Univ, Sch Sci, Maoming 525000, Guangdong, Peoples R China
3.CAS, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
4.S China Univ Technol, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Xitang,Tao, Xianhua,Liang, Deqing,et al. Simulation of the Decomposition of Natural Gas Hydrate in Porous Media by Hot Water Injection[J]. ENERGY EXPLORATION & EXPLOITATION,2008,26(4):267-279.
APA Zhou, Xitang,Tao, Xianhua,Liang, Deqing,&Fan, Shuanshi.(2008).Simulation of the Decomposition of Natural Gas Hydrate in Porous Media by Hot Water Injection.ENERGY EXPLORATION & EXPLOITATION,26(4),267-279.
MLA Zhou, Xitang,et al."Simulation of the Decomposition of Natural Gas Hydrate in Porous Media by Hot Water Injection".ENERGY EXPLORATION & EXPLOITATION 26.4(2008):267-279.
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