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Longitudinal dispersion in a horizontal subsurface flow constructed wetland: a numerical solution

2008-10Journal article Open access
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dc.contributor.authorAraújo, A.
dc.contributor.authorSousa, Ercilia
dc.contributor.authorAlbuquerque, Antonio
dc.date.accessioned2013-09-05T12:38:59Z
dc.date.available2013-09-05T12:38:59Z
dc.date.issued2008-10
dc.description.abstractWe present a numerical solution for the dead zone model which describes the solute transport in a subsurface and horizontal flow constructed wetland. This model is a system of two mass balance equations for two conceptual areas: the main channel and the storage zone. We use finite difference schemes to determine the numerical solution of the system and we study its convergence by presenting properties related to the stability and accuracy of the schemes. Concerning the experimental results, the magnitude of the longitudinal dispersion and the extension of dead volumes is estimated for clean conditions and after a certain operating period under organic loading conditions. The results showed a considerable amount of longitudinal dispersion through the bed, which was very strong near the feeding point, indicating the occurrence of mixing and significant presence of dead zones and short-circuiting.por
dc.identifier.citation27) ARAÚJO A., SOUSA, E. e ALBUQUERQUE A. (2008). Longitudinal dispersion in a horizontal subsurface flow constructed wetland: a numerical solution. ANZIAM Journal, 50, 339-353.por
dc.identifier.doi10.21914/anziamj.v50i0.1367
dc.identifier.issn14468735
dc.identifier.urihttp://hdl.handle.net/10400.6/1312
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAustralian Mathematical Societypor
dc.titleLongitudinal dispersion in a horizontal subsurface flow constructed wetland: a numerical solutionpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage353por
oaire.citation.startPage339por
oaire.citation.titleANZIAM Journalpor
oaire.citation.volume50por
person.familyNameMartins Araújo
person.familyNameSousa
person.familyNameCarvalho de Albuquerque
person.givenNameAdérito Luís
person.givenNameErcilia
person.givenNameAntonio João
person.identifierE-9863-2012
person.identifier1284649
person.identifier.ciencia-id6F1A-ED7E-1C2E
person.identifier.ciencia-id8719-3E10-E17A
person.identifier.ciencia-id3319-F1FE-0DA8
person.identifier.orcid0000-0002-9873-5974
person.identifier.orcid0000-0003-4021-4559
person.identifier.orcid0000-0001-7099-0685
person.identifier.ridC-9293-2009
person.identifier.scopus-author-id7202092378
person.identifier.scopus-author-id7004889527
person.identifier.scopus-author-id8892509700
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication867beabe-9a0c-459e-9bab-e5e37e44de50
relation.isAuthorOfPublication6672f2be-5bdb-4b9b-8237-49b64625a023
relation.isAuthorOfPublication9f533b0c-b538-4535-ade3-823df5592b88
relation.isAuthorOfPublication.latestForDiscovery9f533b0c-b538-4535-ade3-823df5592b88

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