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Remoção de metais pesados em lixiviados para uso como fertilizantes

2020Conference object Open access
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dc.contributor.authorCardoso, Jonathan
dc.contributor.authorFernández-Delgado, Marina
dc.contributor.authorVertonha, Maria Thais
dc.contributor.authorCabral, David
dc.contributor.authorSilva, Adriano S.
dc.contributor.authorRoman, Fernanda
dc.contributor.authorDíaz de Tuesta, Jose Luis
dc.contributor.authorArrobas, Margarida
dc.contributor.authorBrito, Paulo
dc.contributor.authorGomes, Helder
dc.date.accessioned2022-07-18T11:27:06Z
dc.date.available2022-07-18T11:27:06Z
dc.date.issued2020
dc.description.abstractThe aim of this work is to offer a sequence of processes to convert leachate liquid stream with a highly variable composition, collected from the composting line of a mechanical and biological treatment facility, into commercial fertilizers, which fit the composition requirements of the European Legislation. The leachate was first characterized by total organic carbon (TOC), density, fixed and volatile solids, nutrients as organic and ammoniacal nitrogen, phosphorus, potassium, and heavy metals content, to verify the accordance with the European Legislation for fertilizers. The preliminary characterization showed that the leachate contains low levels of organic and ammoniacal nitrogen and phosphorus but high contents of potassium and TOC, which are interesting to fertilizing purposes, and chromium, which needs to be removed to fit the specifications. To chromium removal, some adsorbents materials were proposed: activated carbon produced from the compost of the referred company and acid activated clays obtained from a partnership with a Kazakhstan institution. The results after the adsorption process showed an interaction between the adsorbents and TOC, which was not intended, and a reduction in the heavy metals content, more efficient for Pb, Cd, Zn and Cu, but less for Cr removal. For future work, the study of the use of ionic resins was proposed through the development of an experimental design, in order to obtain the optimized parameters for the minimization of TOC loss, and promotion of heavy metals removal, especially chromium, using a response surface methodology.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCardoso, Jonathan; Fernández-Delgado, Marina; Vertonha, Maria Thais; Cabral, David; Silva, Adriano S.; Roman, Fernanda; Díaz de Tuesta, Jose Luis; Arrobas, Margarida; Brito, Paulo; Gomes, Helder (2020). Remoção de metais pesados em lixiviados para uso como fertilizantes. In Anabela Martins (Coord.) VI Encontro de Jovens Investigadores do Instituto Politécnico de Bragança: livro de resumos. Bragançapt_PT
dc.identifier.isbn978-972-745-282-8
dc.identifier.urihttp://hdl.handle.net/10198/25678
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInstituto Politécnico de Bragançapt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHeavy metalspt_PT
dc.subjectLeachatept_PT
dc.subjectFertilizerspt_PT
dc.subjectActive carbonspt_PT
dc.subjectClayspt_PT
dc.titleRemoção de metais pesados em lixiviados para uso como fertilizantespt_PT
dc.title.alternativeHeavy metals removal on leachate for use as fertilizerspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceBragançapt_PT
oaire.citation.endPage64pt_PT
oaire.citation.startPage64pt_PT
oaire.citation.titleVI Encontro de Jovens Investigadores do Instituto Politécnico de Bragança: livro de resumospt_PT
person.familyNameCabral
person.familyNameSilva
person.familyNameRoman
person.familyNameDíaz de Tuesta
person.familyNameArrobas
person.familyNameBrito
person.familyNameGomes
person.givenNameDavid
person.givenNameAdriano S.
person.givenNameFernanda
person.givenNameJose Luis
person.givenNameMargarida
person.givenNamePaulo
person.givenNameHelder
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person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.ciencia-idA31A-D845-A6E2
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0000-0002-7424-5903
person.identifier.orcid0000-0002-6795-2335
person.identifier.orcid0000-0001-5360-5298
person.identifier.orcid0000-0003-2408-087X
person.identifier.orcid0000-0002-4652-485X
person.identifier.orcid0000-0003-1805-0252
person.identifier.orcid0000-0001-6898-2408
person.identifier.ridD-9785-2017
person.identifier.scopus-author-id55755821600
person.identifier.scopus-author-id8575728800
person.identifier.scopus-author-id31168231800
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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