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Treatment of tannery wastewater in a constructed wetlands operating in series with different plant species

2006Journal article Open access
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dc.contributor.authorCalheiros, Cristina S. C.
dc.contributor.authorRangel, António O.S.S.
dc.contributor.authorCastro, Paula M.L.
dc.date.accessioned2011-09-26T14:30:34Z
dc.date.available2011-09-26T14:30:34Z
dc.date.issued2006
dc.description.abstractThe treatment of tannery wastewater has been a very important issue for pollution control in leather producing countries due to its high pollutant content. Biological processes offer a natural way of treating wastewaters, when compared to more aggressive types of treatment. Constructed wetlands can be an alternative to more conventional biological treatment systems. The species Phragmites australis, Typha spp, Scirpus spp. and Phalaris arundinacea are some of the plants frequently used in subsurface flow constructed wetlands. The present study aimed at assessing the performance of constructed wetland systems operating in series for the treatment of wastewater derived from a tannery plant. Pilot units were operated with horizontal subsurface flow and planted with Typha latifolia and Phragmites australis in an expanded clay matrix. They were subject to two different hydraulic loadings: 180mm/d and 60 mm/d. For an hydraulic loading of 180 mm/d, maximum removal efficiencies of 2100 KgCOD/had (48%) were achieved for unit 1 and 1500 KgCOD/had (33%) for unit 2. For an hydraulic loading of 60 mm/d, maximum removal efficiencies of 360 KgCOD/had (66%) were achieved for unit 1 and of 250 KgCOD/had (60%) for unit 2. No significant differences in performance were found between units with different plant species.por
dc.identifier.citationCALHEIROS, Cristina S. C.; RANGEL, António O.S.S.; CASTRO, Paula M. L. - Treatment of Tannery Wastewater in a Constructed Wetlands Operating in Series with Different Plant Species. In International Conference on Wetland Systems for Water Pollution Control, 10, Lisboa, Portugal, 23-29 Setembro, 2006 - Proceedings of the International Conference on Wetland Systems for Water Pollution Control, ISBN 989-20-0361-6, Vol. II, Lisboa, Portugal, 2006, p.1777por
dc.identifier.urihttp://hdl.handle.net/10400.14/5641
dc.language.isoengpor
dc.peerreviewednopor
dc.titleTreatment of tannery wastewater in a constructed wetlands operating in series with different plant speciespor
dc.typejournal article
dspace.entity.typePublication
person.familyNameCalheiros
person.familyNameSantos Silva Rangel
person.familyNameCastro
person.givenNameCristina
person.givenNameAntónio Osmaro
person.givenNamePaula
person.identifier2013444
person.identifier.ciencia-id5D10-BCF9-05F6
person.identifier.ciencia-idD61D-7CFB-178A
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0003-3159-3497
person.identifier.orcid0000-0002-6486-8947
person.identifier.orcid0000-0001-8841-6606
person.identifier.ridA-1151-2011
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id10142144500
person.identifier.scopus-author-id7004827387
person.identifier.scopus-author-id7102781782
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication717e7962-c85e-4751-84e2-2e79b8e8c75d
relation.isAuthorOfPublication467be022-fd9c-4549-aa48-48ebcc1098eb
relation.isAuthorOfPublicationf2253992-dc8d-4042-9a0f-597ebcf0a1d6
relation.isAuthorOfPublication.latestForDiscoveryf2253992-dc8d-4042-9a0f-597ebcf0a1d6

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