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Replacement of methane from quartz sand-bearing hydrate with carbon dioxide-in-water emulsion
Zhou, Xitang2,3; Fan, Shuanshi1; Liang, Deqing2; Du, Jianwei2
2008-05-01
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号22期号:3页码:1759-1764
通讯作者ssfan@scut.edu.cn
摘要The replacement of CH(4) from its hydrate in quartz sand with 90:10, 70:30, and 50:50 (W(CO2):W(H2O)) carbon dioxide-in-water (C/W) emulsions and liquid CO(2) has been performed in a cell with size of empty set 36 x 200 mm. The above emulsions were formed in a new emulsifier, in which the temperature and pressure were 285.2 K and 30 MPa, respectively, and the emulsions were stable for 7-12 h. The results of replacing showed that 13.1-27.1%, 14.1-25.5%, and 14.6-24.3% of CH(4) had been displaced from its hydrate with the above emulsions after 24-96 It of replacement, corresponding to about 1.5 times the CH(4) replaced with high-pressure liquid CO(2). The results also showed that the replacement rate of CH(4) with the above emulsions and liquid CO(2) decreased from 0.543, 0.587, 0.608, and 0.348 1/h to 0.083, 0.077, 0.069, and 0.063 1/h with the replacement time increased from 24 to 96 h. It has been indicated by this study that the use of CO(2) emulsions is advantageous compared to the use of liquid CO(2) in replacing CH(4) from its hydrate.
文章类型Article
其他摘要The replacement of CH4 from its hydrate in quartz sand with 90:10, 70:30, and 50:50 (W-CO2:W-H2O) carbon dioxide-in-water (C/W) emulsions and liquid CO2 has been performed in a cell with size of empty set 36 x 200 mm. The above emulsions were formed in a new emulsifier, in which the temperature and pressure were 285.2 K and 30 MPa, respectively, and the emulsions were stable for 7-12 h. The results of replacing showed that 13.1-27.1%, 14.1-25.5%, and 14.6-24.3% of CH4 had been displaced from its hydrate with the above emulsions after 24-96 It of replacement, corresponding to about 1.5 times the CH4 replaced with high-pressure liquid CO2. The results also showed that the replacement rate of CH4 with the above emulsions and liquid CO2 decreased from 0.543, 0.587, 0.608, and 0.348 1/h to 0.083, 0.077, 0.069, and 0.063 1/h with the replacement time increased from 24 to 96 h. It has been indicated by this study that the use of CO2 emulsions is advantageous compared to the use of liquid CO2 in replacing CH4 from its hydrate.
关键词The Replacement Of Ch4 From Its Hydrate In Quartz Sand With 90:10 70:30 And 50:50 (W-Co2:W-h2o) Carbon Dioxide-In-water (C/w) Emulsions And Liquid Co2 Has Been PerFormed In a Cell With Size Of Empty Set 36 x 200 Mm. The Above Emulsions Were Formed In a New Emulsifier In Which The Temperature And Pressure Were 285.2 k And 30 Mpa Respectively And TH. Emulsions Were Stable For 7-12 H. TH. Results Of Replacing sH.wed tH.t 13.1-27.1% 14.1-25.5% And 14.6-24.3% Of Ch4 Had Been Displaced From Its Hydrate WIth The Above Emulsions After 24-96 It Of Replacement Corresponding To About 1.5 Times The Ch4 Replaced With High-pressure Liquid Co2. The Results Also Showed That The Replacement Rate Of Ch4 With The Above Emulsions And Liquid Co2.Decreased From 0.543 0.587 0.608 And 0.348 1/h To 0.083 0.077 0.069 And 0.063 1/H.WItH.TH. Replacement Time Increased From 24 To 96 H. It H.s Been Indicated By tH.s Study tH.t TH. Use Of Co2 Emulsions Is Advantageous Compared To TH. Use Of Liquid Co2 In replacIng cH. From Its H.drate.
WOS标题词Science & Technology ; Technology
DOI10.1021/ef700705y
研究领域[WOS]Energy & Fuels ; Engineering
URL查看原文
关键词[WOS]GAS ; CO2 ; DISSOCIATION ; SURFACTANT ; INHIBITORS
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000256057600045
引用统计
被引频次:95[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/344007/3426
专题中国科学院广州能源研究所
作者单位1.S China Univ Technol, Key Lab Enhanced Heat Transfer & Energy Conservat, MOE, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
3.Maoming Univ, Sch Chem Engn, Maoming 525000, Peoples R China
推荐引用方式
GB/T 7714
Zhou, Xitang,Fan, Shuanshi,Liang, Deqing,et al. Replacement of methane from quartz sand-bearing hydrate with carbon dioxide-in-water emulsion[J]. ENERGY & FUELS,2008,22(3):1759-1764.
APA Zhou, Xitang,Fan, Shuanshi,Liang, Deqing,&Du, Jianwei.(2008).Replacement of methane from quartz sand-bearing hydrate with carbon dioxide-in-water emulsion.ENERGY & FUELS,22(3),1759-1764.
MLA Zhou, Xitang,et al."Replacement of methane from quartz sand-bearing hydrate with carbon dioxide-in-water emulsion".ENERGY & FUELS 22.3(2008):1759-1764.
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