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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
发表期刊ENERGY EXPLORATION & EXPLOITATION
卷号26期号:4页码:267-279
摘要As 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.
文章类型Article
关键词Simulation Natural Gas Hydrates Methane Hydrate Decomposition By Hot Water Injection Porous Media
WOS标题词Science & Technology ; Technology
研究领域[WOS]Energy & Fuels
关键词[WOS]METHANE HYDRATE ; PHASE-EQUILIBRIA ; CARBON-DIOXIDE ; DISSOCIATION ; HEAT
收录类别SCI
语种英语
WOS类目Energy & Fuels
WOS记录号WOS:000264385700004
引用统计
被引频次:2[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/344007/10294
专题中国科学院广州能源研究所
作者单位1.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
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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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