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Gas Storage versus Gas Circulation in North Atlantic and Gondwana Coal Types

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dc.contributor.authorDinis, Maria Alzira Pimenta
dc.contributor.authorRodrigues, Cristina
dc.contributor.authorLemos de Sousa, M. J.
dc.date.accessioned2019-09-13T22:52:54Z
dc.date.available2019-09-13T22:52:54Z
dc.date.issued2010
dc.descriptionhttp://sherpa.ac.uk/romeo/issn/2150-3621/pt_PT
dc.description.abstractThe growing insufficiency in oil and natural gas supplies and the rise in energy consumption all over the world have created new opportunities to other energy products and technologies. Coal acquired again an important role in the global energy survey. International Organizations are nowadays conscious and compromised to systematically move into Clean/Cleaner Coal Technologies (CCTs) and, above all, into Zero (or near zero) Emission Technologies (ZETs). Carbon Capture and Storage (CCS) Technologies, acting in a complementary way to CCTs, are becoming one of the solutions to face Climate Changes, permitting not to avoid but to minimize at an acceptable level the Green House Gas Effect (GHGE). It is also imperative to emphasize the actual crucial role of coal as a natural gas source rock and as a reservoir. Yet it is also important to understand that when coal has a high gas generation potential this fact does not necessarily imply that coal also has a high gas storage capacity and a high gas circulation performance. This investigation aims to compare the gas storage capacity and the gas circulation behaviour between Gondwana and North-Atlantic coal types. Two sets of Gondwana and North-Atlantic coal types, with different ranks, were selected in the present research. Results revealed that the two sets of samples, corresponding to different facies and, consequently, with different chemical and physical properties, have quite different gas storage and gas circulation behaviours. In general terms, “North-Atlantic Type” coals have a higher CH4 storage capacity than “Gondwana Type” coals, due to differences in their petrographic characteristics, mainly in terms of vitrinite content, and rank but also, although in a smaller scale, in terms of gas sorption temperatures. Diffusion coefficient values present a higher dependency on temperature changes than on gas storage capacities due to the high activation energy induced by high temperatures.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAPA: Dinis, M. A. P., Rodrigues, C. F., & Lemos de Sousa, M. J. (2010). Gas Storage versus Gas Circulation in North Atlantic and Gondwana Coal Types. International Journal of Energy for a Clean Environment, 11(1-4), 35-50. doi:10.1615/InterJEnerCleanEnv.2011001661pt_PT
dc.identifier.doi10.1615/InterJEnerCleanEnv.2011001661pt_PT
dc.identifier.issn2150-3621
dc.identifier.urihttp://hdl.handle.net/10284/7886
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBegell House Inc.pt_PT
dc.relation.publisherversionhttp://www.dl.begellhouse.com/journals/6d18a859536a7b02,502d2ffd0c027151,1d7c2d767331513f.htmlpt_PT
dc.subjectNorth-Atlantic type coalpt_PT
dc.subjectGondwana type coalpt_PT
dc.subjectGas storagept_PT
dc.subjectGas circulationpt_PT
dc.subjectPetrographypt_PT
dc.titleGas Storage versus Gas Circulation in North Atlantic and Gondwana Coal Typespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage50pt_PT
oaire.citation.issue1-4pt_PT
oaire.citation.startPage35pt_PT
oaire.citation.titleInternational Journal of Energy for a Clean Environmentpt_PT
oaire.citation.volume11pt_PT
person.familyNameDinis
person.familyNameRodrigues
person.familyNameLemos de Sousa
person.givenNameMaria Alzira Pimenta
person.givenNameCristina Fernanda Alves
person.givenNameManuel João
person.identifier493603
person.identifier493996
person.identifier.ciencia-id4710-147D-FDAF
person.identifier.ciencia-id7419-A932-CEC5
person.identifier.ciencia-idD513-C4C7-E740
person.identifier.orcid0000-0002-2198-6740
person.identifier.orcid0000-0002-7616-6985
person.identifier.orcid0000-0001-6527-6196
person.identifier.ridF-3309-2011
person.identifier.scopus-author-id55539804000
person.identifier.scopus-author-id55925912600
person.identifier.scopus-author-id6602492063
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication1e85592a-e8e2-4aea-bd8e-1007c94388c0
relation.isAuthorOfPublication0fefd103-d5e6-455d-b7b7-06440a7f4229
relation.isAuthorOfPublication580f4519-5525-4616-8174-c912b1a3c88f
relation.isAuthorOfPublication.latestForDiscovery1e85592a-e8e2-4aea-bd8e-1007c94388c0

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