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Potential use of agricultural waste—Carob Kibbles (Ceratonia siliqua L.) as a biosorbent for removing boron from wastewater

2023-08-24Journal article Open Access
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dc.contributor.authorDíaz, Luz Adriana
dc.contributor.authorDias Carlier, Jorge
dc.contributor.authorMichalak, Izabela
dc.contributor.authorCosta, Maria Clara
dc.date.accessioned2023-10-13T09:22:46Z
dc.date.available2023-10-13T09:22:46Z
dc.date.issued2023-08-24
dc.date.updated2023-09-27T12:36:21Z
dc.description.abstractThe release of boron (B) into the environment as a result of anthropogenic activity modifies sustainable natural conditions, thus affecting ecosystems. To meet water quality regulations, commercial and natural boron adsorbents are available to reduce its concentrations in industrial effluents, with the former being not only more expensive but also less sustainable. In the publication, the biosorption parameters of carob kibbles (<i>Ceratonia siliqua</i> L.) were optimized in order to remove boron from aqueous solutions using batch experiments. The biosorbent used in the present research was agro-waste biomass provided by the local locust-beam gum industry. Boron removal by carob kibbles was favored at high initial pH values, and this capacity was found to be a function of boron initial concentration, biosorbent content in the solution, and particle size. The change in temperature did not affect the potential of biomass to remove boron. The highest boron removal efficiency (55.1%) was achieved under the following optimal conditions: 50 g/L biosorbent dose (Cs), with particle size range 0.025–0.106 mm, for the initial concentration (C<sub>0</sub>) of boron in the solution of 100 mg/L, at an initial pH of 11.5, for 5 h at 25 °C. This investigation suggests that carob kibble agro-waste can be valorized as a biosorbent to remove boron from wastewater, and the boron-loaded residue may eventually be explored as a new boron-fertilizer.pt_PT
dc.description.sponsorshipMETALCHEMBIO project (no. 29251); CRESC Algarve 2020; LA/P/0101/2020.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSeparations 10 (9): 464 (2023)pt_PT
dc.identifier.doi10.3390/separations10090464pt_PT
dc.identifier.eissn2297-8739
dc.identifier.urihttp://hdl.handle.net/10400.1/20048
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCarob kibblespt_PT
dc.subjectBiosorptionpt_PT
dc.subjectBoronpt_PT
dc.subjectAqueous solutionspt_PT
dc.subjectWastewater treatmentpt_PT
dc.titlePotential use of agricultural waste—Carob Kibbles (Ceratonia siliqua L.) as a biosorbent for removing boron from wastewaterpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.citation.issue9pt_PT
oaire.citation.startPage464pt_PT
oaire.citation.titleSeparationspt_PT
oaire.citation.volume10pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameDíaz
person.familyNameCarlier
person.familyNameCosta
person.givenNameLuz Adriana
person.givenNameJorge
person.givenNameMaria Clara
person.identifier.ciencia-id691D-A1BB-15CC
person.identifier.ciencia-id7110-A28E-3C8A
person.identifier.orcid0009-0000-3502-9805
person.identifier.orcid0000-0003-0675-2716
person.identifier.orcid0000-0003-1340-5237
person.identifier.ridM-6189-2013
person.identifier.scopus-author-id7102166949
person.identifier.scopus-author-id35354952400
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationd4af2b00-61d6-4fd9-b05d-9ed235b5c7de
relation.isAuthorOfPublication11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
relation.isAuthorOfPublication.latestForDiscovery11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
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