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Tunning processes for organic matter removal from slaughterhouse wastewater treated by immediate one-step lime precipitation and atmospheric carbonation

2023-10Journal article Open access
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dc.contributor.authorSimão Madeira, Luís Miguel
dc.contributor.authorAlmeida, Adelaide
dc.contributor.authorRosa Da Costa, Ana
dc.contributor.authorMestre, Ana S.
dc.contributor.authorCarvalho, Fátima
dc.contributor.authorRibau Teixeira, Margarida
dc.date.accessioned2024-02-06T14:13:52Z
dc.date.available2024-02-06T14:13:52Z
dc.date.issued2023-10
dc.description.abstractAdsorption using unmodified/modified commercial activated carbons and constructed wetlands (CW) planted with Vetiveria zizanioides were evaluated as tuning processes for lowering chemical oxygen demand (COD) from slaughterhouse wastewater pretreated by the integrated process of immediate one-step lime precipitation and atmospheric carbonation. Powdered and granular activated carbons (PAC and GAC), and PAC and GAC incorporated with iron oxide nanoparticles (PACMAG and GACMAG) were used. COD removal using different adsorbent separation methods (i.e., sedimentation, filtration, or magnetic separation) was also evaluated. The adsorption results indicated that the best adsorbent doses and contact times of the studied adsorbents were 70 g L-1 and 5 min for PAC and PACMAG, and 60 g L-1 and 60 min for GAC and GACMAG. Under optimized conditions, GAC (75.7 +/- 1.0%) and GACMAG (73.5 +/- 2.1%) were more efficient than PAC (59.7 +/- 1.0%) and PACMAG (59.0 +/- 0.0%) in removing COD. The incorporation of iron oxide nanoparticles in GAC and PAC did not affect the adsorption of COD. The Temkin model was the best isotherm model found for PAC and PACMAG, while for GAC and GACMAG was the BET model. Pseudo-order n kinetic model was the best kinetic model found for all the adsorbents tested. There were no significant differences in the removal of COD between filtration and magnetic separations. Phytoremediation results indicated that increased COD removal efficiency occurred when the applied COD mass load decreased or when the bed depth was increased. Maximum COD removals of around 89.9-95.0% were achieved. Vetiveria zizanioides showed no signs of toxicity throughout the trials.pt_PT
dc.description.sponsorshipAguas do Algarve, S.A (Portugal) SORBOPOR MV 118/Ppt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jece.2023.110450pt_PT
dc.identifier.eissn2213-3437
dc.identifier.urihttp://hdl.handle.net/10400.1/20375
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationCentro de Química Estrutural
dc.relationInstitute of Molecular Sciences
dc.relationNot Available
dc.relationVALORTECWATER - Valorization of slaughterhouse wastewater for the plant production using different eco-innovative technologies.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAdsorption Iron oxide nanoparticlespt_PT
dc.subjectIron oxide nanoparticlespt_PT
dc.subjectAActivated carbonpt_PT
dc.subjectPhytoremediationpt_PT
dc.subjectVetiveria zizanioidespt_PT
dc.titleTunning processes for organic matter removal from slaughterhouse wastewater treated by immediate one-step lime precipitation and atmospheric carbonationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentro de Química Estrutural
oaire.awardTitleInstitute of Molecular Sciences
oaire.awardTitleNot Available
oaire.awardTitleVALORTECWATER - Valorization of slaughterhouse wastewater for the plant production using different eco-innovative technologies.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00100%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0056%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2017/CEECIND%2F01371%2F2017%2FCP1387%2FCT0013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F137209%2F2018/PT
oaire.citation.issue5pt_PT
oaire.citation.startPage110450pt_PT
oaire.citation.titleJournal of Environmental Chemical Engineeringpt_PT
oaire.citation.volume11pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND 2017
oaire.fundingStreamOE
person.familyNameMadeira
person.familyNameRosa da Costa
person.familyNameRibau Teixeira
person.givenNameLuís Miguel Simão
person.givenNameAna M
person.givenNameMargarida
person.identifier305029
person.identifier.ciencia-idA214-0A87-64EC
person.identifier.ciencia-idA418-A85E-5DB1
person.identifier.ciencia-id9111-87FB-26AA
person.identifier.orcid0000-0001-7674-8881
person.identifier.orcid0000-0003-0225-9537
person.identifier.orcid0000-0002-2153-3282
person.identifier.ridE-2165-2012
person.identifier.ridB-9012-2012
person.identifier.scopus-author-id55760206500
person.identifier.scopus-author-id53986075100
person.identifier.scopus-author-id8988625600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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