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Potential of industrial by-products and wastes from the Iberian Peninsula as carbon sources for sulphate-reducing bacteria

2019-08Journal article Open access
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dc.contributor.authorCarlier, Jorge
dc.contributor.authorAlexandre, Leonardo Machado
dc.contributor.authorLuís, Ana
dc.contributor.authorClara Costa, Maria
dc.date.accessioned2020-07-24T10:51:52Z
dc.date.available2020-08-01T00:30:12Z
dc.date.issued2019-08
dc.description.abstractIndustrial by-products and wastes from Portugal and Spain were tested for the first time as carbon sources/electron donors for sulphate-reducing bacteria. Cultures in mineral medium supplemented with the tested substrates were monitored, and sulphate reduction efficiency is discussed in light of substrates compositions, dosages and corresponding chemical oxygen demand/[SO42-] ratios. The results reveal the ability of those substrates to feed SRB and confirm that testing doses targeting ratios of 1.5 and values close to this was a good strategy to optimize sulphate reduction activity. As expected, this activity was faster for substrates that have in their composition simple compounds (such as low-chain alcohols and organic acids) and/or compounds that can be rapidly degraded (such as sugars), though it also occurred in a longer-term perspective with substrates composed mainly of slowly degradable compounds (such as cellulose and lignin). Thus, this work demonstrates the potential of new substrates and respective required doses to feed SRB bioreactors in long-term passive bioremediation processes or faster more active processes. That is, it opens the way for the use of such substrates in the treatment of sulphate-rich waters, as the acid mine drainage generated in some mines on the Iberian Pyrite Belt region, and it encourages further experiments to evaluate the use of SRB-based processes to treat the industrial wastewaters successfully tested in this work themselves, specially the olive mill wastewater which is still a problem for many small olive oil producers.
dc.description.sponsorshipEuropean UnionEuropean Union (EU) [619101]
dc.description.sponsorshipPortuguese Foundation for Science and Technology (FCT)Portuguese Foundation for Science and Technology [UID/Multi/04326/2019]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1007/s13762-018-02197-z
dc.identifier.issn1735-1472
dc.identifier.issn1735-2630
dc.identifier.urihttp://hdl.handle.net/10400.1/14282
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.subjectAcid-mine drainage
dc.subjectBiological treatment
dc.subjectPhysicochemical characterization
dc.subjectMethane production
dc.subjectPassivetreatment
dc.subjectElectron-donors
dc.subjectOrganic-carbon
dc.subjectMetal removal
dc.subjectOlive mill
dc.subjectWater
dc.titlePotential of industrial by-products and wastes from the Iberian Peninsula as carbon sources for sulphate-reducing bacteria
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage4738
oaire.citation.issue8
oaire.citation.startPage4719
oaire.citation.titleInternational Journal of Environmental Science and Technology
oaire.citation.volume16
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.typearticle
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relation.isAuthorOfPublication11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
relation.isAuthorOfPublication.latestForDiscoveryfdf59bdd-7161-462a-bbd0-0985f72693f5

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