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Experimental Study on Methane Hydrate Dissociation by Depressurization in Porous Sediments
Xiong, Lijun1,2; Li, Xiaosen1,2; Wang, Yi1,2,3; Xu, Chungang1,2,3
2012-02-01
Source PublicationENERGIES
Volume5Issue:2Pages:518-530
Abstract

Based on currently available data from site measurements in the Shenhu Area of the South China Sea, methane hydrate dissociation behavior by depressurization is studied in a one-dimensional experimental apparatus. According to time variation of temperature, resistance and gas production, the hydrate dissociation process is divided into three stages: free gas release, rapid dissociation and gradual dissociation. The experimental results show that as the hydrate saturation increases the proportion of hydrate decomposed decreases in the rapid dissociation stage. The hydrate dissociation rate and the dissociation heat increase as the dissociation pressure decreases. Furthermore, the decrease of the dissociation pressure works against the secondary formation of the hydrate.

SubtypeArticle
KeywordMethane Hydrate Depressurization Saturation Dissociation Pressure Porous Sediments
WOS HeadingsScience & Technology ; Technology
DOI10.3390/en5020518
WOS Subject ExtendedEnergy & Fuels
WOS KeywordGAS HYDRATE ; PRODUCTION BEHAVIOR ; DECOMPOSITION ; MEDIA ; CORES ; CO2
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels
WOS IDWOS:000300738500019
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10187
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xiong, Lijun,Li, Xiaosen,Wang, Yi,et al. Experimental Study on Methane Hydrate Dissociation by Depressurization in Porous Sediments[J]. ENERGIES,2012,5(2):518-530.
APA Xiong, Lijun,Li, Xiaosen,Wang, Yi,&Xu, Chungang.(2012).Experimental Study on Methane Hydrate Dissociation by Depressurization in Porous Sediments.ENERGIES,5(2),518-530.
MLA Xiong, Lijun,et al."Experimental Study on Methane Hydrate Dissociation by Depressurization in Porous Sediments".ENERGIES 5.2(2012):518-530.
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