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Seo, Yongwon
Advanced Clean Energy Lab (ACE Lab)
Research Interests
  • Gas Hydrates, Greenhouse Gas, Clean Energy

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Hydration number and two-phase equilibria of CH4 hydrate in the deep ocean sediments

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dc.contributor.author Seo, Yongwon ko
dc.contributor.author Lee, H ko
dc.contributor.author Ryu, BJ ko
dc.date.available 2014-10-31T00:09:18Z -
dc.date.created 2014-10-30 ko
dc.date.issued 2002-04 -
dc.identifier.citation GEOPHYSICAL RESEARCH LETTERS, v.29, no.8, pp.1 - 4 ko
dc.identifier.issn 0094-8276 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/8090 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0037092262 ko
dc.description.abstract [1] The aqueous solubilities of CH4 in the two-phase (hydrate (H)-liquid water (L-w)) region, which is very close to the deep sea floor condition, were measured at various ranges of temperature and pressure. The hydration number determined via Raman spectroscopy at 10.0 MPa and 274.15 K was found to be 6.00 that is a little higher than 5.75 of the ideal one. The solubility of CH4 in liquid water largely increased with a small increase of temperature, but slightly decreased with increasing pressure in the two-phase (H-L-w) region. This solubility behavior was experimentally confirmed to be completely different from that occurring in the three-phase (H-L-w-V) boundary. The present results might be valuable as the fundamental data for estimating the amount of in situ gas hydrate and understanding the unique feature of hydrate formation/dissociation mechanism and the hydrate stability in the deep ocean sediments. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher AMER GEOPHYSICAL UNION ko
dc.subject GAS HYDRATE ko
dc.subject NMR ko
dc.title Hydration number and two-phase equilibria of CH4 hydrate in the deep ocean sediments ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-0037092262 ko
dc.identifier.wosid 000178886800046 ko
dc.type.rims ART ko
dc.description.wostc 12 *
dc.description.scopustc 15 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-10-30 *
dc.identifier.doi 10.1029/2001GL014226 ko
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