Please use this identifier to cite or link to this item: https://doi.org/10.1021/ef4004818
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dc.titleMorphology of methane hydrate formation in porous media
dc.contributor.authorBabu, P.
dc.contributor.authorYee, D.
dc.contributor.authorLinga, P.
dc.contributor.authorPalmer, A.
dc.contributor.authorKhoo, B.C.
dc.contributor.authorTan, T.S.
dc.contributor.authorRangsunvigit, P.
dc.date.accessioned2014-10-09T06:54:33Z
dc.date.available2014-10-09T06:54:33Z
dc.date.issued2013-06-20
dc.identifier.citationBabu, P., Yee, D., Linga, P., Palmer, A., Khoo, B.C., Tan, T.S., Rangsunvigit, P. (2013-06-20). Morphology of methane hydrate formation in porous media. Energy and Fuels 27 (6) : 3364-3372. ScholarBank@NUS Repository. https://doi.org/10.1021/ef4004818
dc.identifier.issn08870624
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/89507
dc.description.abstractExperiments at 8.0 MPa and 277.15 K were carried out in different porous media, such as silica sand and activated carbon, to observe the formation and dissociation of methane hydrate in a specially designed crystallizer for mophology observation. In silica sand bed, we observed a clear hydrate front moving across the bed in the crystallizer at the experimental conditions with 50 and 100% water saturation. The hydrate crystals were observed to form in the interstitial pore space available between the silica sand particles. Whereas in activated carbon bed experiments, hydrates were observed to nucleate on the surface of the activated carbon grain and then dissociate within the stable hydrate formation region. For the first time, we were able to observe this behavior of transient hydrate crystal formation/dissociation in the stable hydrate region in porous media. We postulated that the particle size, pore space, and water saturation level may play a role in the above phenomenon. A clear hydrate front movement across the crystallizer and stable hydrate formation were observed when smaller sized activated carbon grains were used. In all of the experiments, the hydrate crystals were seen to form in the interstitial pore space between the porous media. Our results show that pore space and its interconnectivity play an important role in methane hydrate formation in porous media consisting of silica sand or activated carbon. © 2013 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ef4004818
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.departmentCIVIL & ENVIRONMENTAL ENGINEERING
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.description.doi10.1021/ef4004818
dc.description.sourcetitleEnergy and Fuels
dc.description.volume27
dc.description.issue6
dc.description.page3364-3372
dc.description.codenENFUE
dc.identifier.isiut000320911200053
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