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Constructed wetland pilot units for wastewater treatment in the tannery industry

dc.contributor.authorCalheiros, Cristina S. C.
dc.contributor.authorRangel, António O. S. S.
dc.contributor.authorCastro, Paula M. L.
dc.date.accessioned2011-09-26T14:31:39Z
dc.date.available2011-09-26T14:31:39Z
dc.date.issued2006
dc.description.abstractConstructed wetlands can be used for primary and secondary treatment of domestic wastewaters and for the treatment of a variety of other water sources including stormwaters, landfill leachate, industrial and agricultural wastewaters and acid mine drainage. For the treatment of tannery wastewater no detailed studies using constructed wetlands are known in the literature. Frequent problems occur in this industry concerning the effluent with high organic loadings. In these situations, a constructed wetland can be potentially used to support the existing wastewater treatment. The present study refers to the applicability of subsurface horizontal flow constructed wetlands for the treatment of tannery wastewater in two series of pilot units planted with Typha latifolia and Phragmites australis. The units were subject to different hydraulic loadings, 180 mm/d and 60 mm/d, and the organic matter removal efficiency was evaluated. The average COD for the inflow of the units was 1579 mg/l for an hydraulic loading of 180mm/d (1421 KgCOD/had) and 1297 mg/l for an hydraulic loading of 60mm/d (385 KgCOD/had). Maximum removal efficiencies, in terms of COD, for hydraulic loading of 180 and 60 mm/d in Typha unit were 63% and 92%, respectively. For Phragmites, the maximum values were 64% and 92%. The decrease in COD, BOD5 and TSS at the outflow of the units was found to increase with their influent values in a linear correlation. This behavior corresponds to a first order kinetics, showing that the pollutant removal rate was proportional to the influent strength. There was no significant difference between the two systems in series, indicating that the type of plant did not influence the treatment performance.por
dc.identifier.citationCALHEIROS, Cristina S. C.; RANGEL, António - Constructed wetland pilot units for wastewater treatment in the tannery industry. In Phytotechnologies lessons from pilot and field scaleWG4 meeting, Sintra, Lisboa, 27 - 29 April, 2006 - [Book of Abstracts - COST Action 859 WG4 meeting on "Phytotechnologies lessons from pilot and field scale", Sintra, Portugal, 27-29 April 2006], p. 20por
dc.identifier.urihttp://hdl.handle.net/10400.14/5642
dc.language.isoengpor
dc.peerreviewednopor
dc.publisherCost Actionpor
dc.subjectConstructed wetlandspor
dc.subjectPilot scale unitspor
dc.subjectTannery industrypor
dc.subjectPhragmites australispor
dc.subjectTypha latifoliapor
dc.titleConstructed wetland pilot units for wastewater treatment in the tannery industrypor
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.latestForDiscovery467be022-fd9c-4549-aa48-48ebcc1098eb

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