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Replacement of CH4 in Hydrate in Porous Sediments with Liquid CO2 Injection
Zhang, Yu1,2; Xiong, Li-Jun1,2; Li, Xiao-Sen1,2; Chen, Zhao-Yang1,2; Xu, Chun-Gang1,2
2014-12-01
Source PublicationCHEMICAL ENGINEERING & TECHNOLOGY
Volume37Issue:12Pages:2022-2029
AbstractThe dynamics of the replacement of CH4 in hydrate in porous sediments with liquid CO2 was investigated using a self-developed experimental apparatus at different temperatures and initial pressures. The pressure increases steadily as the replacement reaction processes. The amount of the replaced CH4 is almost the same as that of the CO2 forming hydrate in the early stage and gradually becomes somewhat less in the later stage. The initial pressure has minor effects on the replacement rate, and temperature reduction causes a lower replacement rate. The experimental results suggest that the replacement rate is not related to the region of the temperature-pressure conditions but is mainly affected by the fugacity differences of CH4 hydrate decomposition and CO2 hydrate formation.
SubtypeArticle
KeywordCh4 Hydrate Ch4 Replacement Liquid Co2 Porous Sediment
WOS HeadingsScience & Technology ; Technology
DOI10.1002/ceat.201300840
WOS Subject ExtendedEngineering
WOS KeywordCARBON-DIOXIDE ; METHANE HYDRATE ; DISSOCIATION ; MEDIA ; EXPLOITATION ; CO2-HYDRATE ; RECOVERY ; SYSTEM
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical
WOS IDWOS:000345594600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10768
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Yu,Xiong, Li-Jun,Li, Xiao-Sen,et al. Replacement of CH4 in Hydrate in Porous Sediments with Liquid CO2 Injection[J]. CHEMICAL ENGINEERING & TECHNOLOGY,2014,37(12):2022-2029.
APA Zhang, Yu,Xiong, Li-Jun,Li, Xiao-Sen,Chen, Zhao-Yang,&Xu, Chun-Gang.(2014).Replacement of CH4 in Hydrate in Porous Sediments with Liquid CO2 Injection.CHEMICAL ENGINEERING & TECHNOLOGY,37(12),2022-2029.
MLA Zhang, Yu,et al."Replacement of CH4 in Hydrate in Porous Sediments with Liquid CO2 Injection".CHEMICAL ENGINEERING & TECHNOLOGY 37.12(2014):2022-2029.
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