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Feasibility of co-treating olive mill wastewater and acid mine drainage

2020Journal article Open access
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dc.contributor.authorCarlier, Jorge
dc.contributor.authorLuís, Ana
dc.contributor.authorAlexandre, Luís Miguel
dc.contributor.authorCosta, Maria Clara
dc.date.accessioned2020-10-19T12:38:55Z
dc.date.available2020-10-19T12:38:55Z
dc.date.issued2020
dc.description.abstractPrevious tests using a growth medium and olive mill wastewater (OMWW) have shown that it supplies carbon and electron donors suitable for sulphate reducing bacteria (SRB). We assessed the co-treatment of acid mine drainage (AMD) and OMWW using SRB-enriched bioreactors and identified the most abundant bacterial populations present under optimized conditions. The process requires a neutralizing agent to create optimal pH conditions for successful removal of the AMD's main contaminants. Concentrations of SO42-, Al, Fe, Cu, Zn, and Mn decreased to below Portugal's maximum admissible values for irrigation waters, and all but Mn were reduced to less than Portugal's emission limit values (ELVs) for wastewater discharges. Phenol concentrations-the main pollutants in OMWW-dropped to values between 1/10 and 1/5 their initial concentrations in batch tests using mixtures of AMD and OMWW, and to 1/2 their initial concentrations in flow-through tests. The final total phenol concentrations were still above the ELV for wastewater discharges, but phenols are not regulated in irrigation waters, and OMWW is used by some producers to irrigate soils. Six main SRB groups were identified as likely having a fundamental role in the bioremediation process: the generaDesulfovibrio,Sulfurospirillum, andAcetobacterand the familiesSphingomonadaceae,Prevotellaceae, andDeferribacteraceaept_PT
dc.description.sponsorshipFCT: UIDB/04326/2020; European Union (EU): 619101; FCT - Algarves Regional Operational Program (CRESC Algarve 2020) through Portugal 2020: 29251pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s10230-020-00719-1pt_PT
dc.identifier.issn1025-9112
dc.identifier.urihttp://hdl.handle.net/10400.1/14784
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBioremediationpt_PT
dc.subjectOlive oil by-productspt_PT
dc.subjectAnaerobic bioreactorpt_PT
dc.subjectAcid rock drainagept_PT
dc.subjectSulphate reducing bacteriapt_PT
dc.titleFeasibility of co-treating olive mill wastewater and acid mine drainagept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleMine Water and the Environmentpt_PT
person.familyNameCarlier
person.familyNameLuís
person.familyNameCosta
person.givenNameJorge
person.givenNameAna
person.givenNameMaria Clara
person.identifier.ciencia-id691D-A1BB-15CC
person.identifier.ciencia-id901D-4E7C-BA50
person.identifier.ciencia-id7110-A28E-3C8A
person.identifier.orcid0000-0003-0675-2716
person.identifier.orcid0000-0001-8650-4514
person.identifier.orcid0000-0003-1340-5237
person.identifier.ridB-1282-2016
person.identifier.ridM-6189-2013
person.identifier.scopus-author-id7102166949
person.identifier.scopus-author-id57203438466
person.identifier.scopus-author-id35354952400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationfdf59bdd-7161-462a-bbd0-0985f72693f5
relation.isAuthorOfPublication11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
relation.isAuthorOfPublication.latestForDiscoveryd4af2b00-61d6-4fd9-b05d-9ed235b5c7de

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