Recovery of Methane from Gas Hydrates Intercalated within Natural Sediments Using CO2 and a CO2/N2 Gas Mixture

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dc.contributor.authorKoh, Dong-Yeunko
dc.contributor.authorKang, Hye-Ryko
dc.contributor.authorKim, Dae-Okko
dc.contributor.authorPark, Ju-Woonko
dc.contributor.authorCha, Min-Junko
dc.contributor.authorLee, Huenko
dc.date.accessioned2013-03-12T14:06:44Z-
dc.date.available2013-03-12T14:06:44Z-
dc.date.created2012-08-23-
dc.date.created2012-08-23-
dc.date.issued2012-08-
dc.identifier.citationCHEMSUSCHEM, v.5, no.8, pp.1443 - 1448-
dc.identifier.issn1864-5631-
dc.identifier.urihttp://hdl.handle.net/10203/102540-
dc.description.abstractThe direct recovery of methane from massive methane hydrates (MHs), artificial MH-bearing clays, and natural MH-bearing sediments is demonstrated, using either CO2 or a CO2/N2 gas mixture (20 mol?% of CO2 and 80 mol?% of N2, reproducing flue gas from a power plant) for methane replacement in complex marine systems. Natural gas hydrates (NGHs) can be converted into CO2 hydrate by a swapping mechanism. The overall process serves a dual purpose: it is a means of sustainable energy-source exploitation and greenhouse-gas sequestration. In particular, scant attention has been paid to the natural sediment clay portion in deep-sea gas hydrates, which is capable of storing a tremendous amount of NGH. The clay interlayer provides a unique chemicalphysical environment for gas hydrates. Herein, for the first time, we pull out methane from intercalated methane hydrates in a clay interlayer using CO2 and a CO2/N2 gas mixture. The results of this study are expected to provide an essential physicochemical background required for large-scale NGH production under the seabed.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.subjectPOROUS SILICA-GELS-
dc.subjectCARBON-DIOXIDE-
dc.subjectPHASE-
dc.subjectMONTMORILLONITE-
dc.subjectSTABILITY-
dc.subjectCLAY-
dc.subjectEQUILIBRIA-
dc.subjectMEXICO-
dc.subjectGULF-
dc.titleRecovery of Methane from Gas Hydrates Intercalated within Natural Sediments Using CO2 and a CO2/N2 Gas Mixture-
dc.typeArticle-
dc.identifier.wosid000307308000017-
dc.identifier.scopusid2-s2.0-84864675626-
dc.type.rimsART-
dc.citation.volume5-
dc.citation.issue8-
dc.citation.beginningpage1443-
dc.citation.endingpage1448-
dc.citation.publicationnameCHEMSUSCHEM-
dc.identifier.doi10.1002/cssc.201100644-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKoh, Dong-Yeun-
dc.contributor.localauthorLee, Huen-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorclathrates-
dc.subject.keywordAuthorclays-
dc.subject.keywordAuthorenvironmental chemistry-
dc.subject.keywordAuthorhydrates-
dc.subject.keywordAuthormethane-
dc.subject.keywordPlusPOROUS SILICA-GELS-
dc.subject.keywordPlusCARBON-DIOXIDE-
dc.subject.keywordPlusPHASE-
dc.subject.keywordPlusMONTMORILLONITE-
dc.subject.keywordPlusSTABILITY-
dc.subject.keywordPlusCLAY-
dc.subject.keywordPlusEQUILIBRIA-
dc.subject.keywordPlusMEXICO-
dc.subject.keywordPlusGULF-
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