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Effect of vegetation on the performance of horizontal subsurface flow constructed wetlands with lightweight expanded clay aggregates

2013-05Journal article Open access
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dc.contributor.authorMesquita, Maria da Conceição
dc.contributor.authorAlbuquerque, Antonio
dc.contributor.authorAmaral, Leonor
dc.contributor.authorNogueira, Regina
dc.date.accessioned2014-06-30T16:29:58Z
dc.date.available2014-06-30T16:29:58Z
dc.date.issued2013-05
dc.description.abstractThis research evaluates the effect of both organic and ammonia loading rates and the presence of plants on the removal of chemical oxygen demand and ammonia nitrogen in horizontal subsurface flow constructed wetlands, 2 years after the start-up. Two sets of experiments were carried out in two mesocosms at different organic and ammonia loading rates (the loads were doubled); one without plants (control bed), the other colonized with Phragmites australis. Regardless of the organic loading rate, the organic mass removal rate was improved in the presence of plants (93.4 % higher for the lower loading rate, and 56 % higher for the higher loading rate). Similar results were observed for the ammonia mass removal rate (117 % higher for the lower loading rate, and 61.3 % higher for the higher loading rate). A significant linear relationship was observed between the organic loading rate and the respective removal rates in both beds for loads between 10 and 13 g m(-2) day(-1). The presence of plants markedly increase removal of organic matter and ammonia, as a result of the role of roots and rhizomes in providing oxygen for aerobic removal pathways, a higher surface area for the adhesion and development of biofilm and nitrogen uptake by roots.por
dc.identifier.doi10.1007/s13762-012-0119-6
dc.identifier.issn1735-1472
dc.identifier.urihttp://hdl.handle.net/10400.6/1955
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringerpor
dc.relationEVAWET - Evaluation of the hydrodynamic and environmental behaviour of constructed wetlands for wastewater treatment and reuse
dc.subjectWetlandspor
dc.subjectMacrófitaspor
dc.subjectSubsurface flowpor
dc.subjectVegetationpor
dc.subjectLightweight expanded clay aggregatespor
dc.subjectLECApor
dc.subjectPhragmites australispor
dc.subjectNutrient removalpor
dc.subjectRemoção de azotopor
dc.subjectOrganics removalpor
dc.titleEffect of vegetation on the performance of horizontal subsurface flow constructed wetlands with lightweight expanded clay aggregatespor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEVAWET - Evaluation of the hydrodynamic and environmental behaviour of constructed wetlands for wastewater treatment and reuse
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FAMB%2F73081%2F2006/PT
oaire.citation.endPage442por
oaire.citation.issue3por
oaire.citation.startPage433por
oaire.citation.titleINTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGYpor
oaire.citation.volume10por
oaire.fundingStream5876-PPCDTI
person.familyNameCarvalho de Albuquerque
person.familyNameAmaral
person.familyNameNogueira
person.givenNameAntonio João
person.givenNameLeonor Miranda Monteiro
person.givenNameRegina
person.identifier1284649
person.identifier.ciencia-id3319-F1FE-0DA8
person.identifier.ciencia-id011D-0519-3210
person.identifier.orcid0000-0001-7099-0685
person.identifier.orcid0000-0003-1125-1764
person.identifier.orcid0000-0003-2759-5035
person.identifier.ridC-9293-2009
person.identifier.scopus-author-id8892509700
person.identifier.scopus-author-id14324141100
person.identifier.scopus-author-id18634949100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication9f533b0c-b538-4535-ade3-823df5592b88
relation.isAuthorOfPublication28c99769-f09a-40d7-96e5-b709124095e4
relation.isAuthorOfPublication53007237-a8d8-413b-8349-4eacf12b1f05
relation.isAuthorOfPublication.latestForDiscovery28c99769-f09a-40d7-96e5-b709124095e4
relation.isProjectOfPublication084f409f-3f61-498c-b277-45d57991bef7
relation.isProjectOfPublication.latestForDiscovery084f409f-3f61-498c-b277-45d57991bef7

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