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Printed circuit boards leaching followed by synthesis of gold nanoparticle clusters using plant extracts

2023-09-20Artigo científico Acesso aberto
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datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg08:Trabalho Digno e Crescimento Económico
dc.contributor.authorNobahar, Amir
dc.contributor.authorLourenço, João P.
dc.contributor.authorCosta, Maria Clara
dc.contributor.authorCarlier, Jorge
dc.date.accessioned2026-04-20T10:36:00Z
dc.date.available2026-04-20T10:36:00Z
dc.date.issued2023-09-20
dc.description.abstractThis work investigates the potential of 70% ethanolic leaf extracts of Rubus idaeus L., Cistus ladanifer L. and Erica andevalensis in the metal separation from synthetic unimetallic solutions of different metals and a leachate obtained from the leaching of PCBs. Results from the experiments with unimetallic solutions revealed R. idaeus and E. andevalensis extracts induced separation of more than 95% of the initial Au(III), while C. ladanifer separated ~78% of this metal. Thereafter, application of three plant extracts to real Au bearing leachate obtained from PCBs leaching, revealed about 96, 95 and 90% Au recovery with R. idaeus, C. ladanifer and E. andevalensis extracts, respectively with 15–60% co-removal of Pb and less than 15% of other metals. The reduction of Au(III) ions into Au(0) nanoparticles by R. idaeus extract was confirmed by molecular UV–Visible, and FT-IR analysis showed the involvement of plant secondary metabolites in Au bio-reduction and bio-stabilization. Particles obtained from the application of R. idaeus extract to the leachate were initially analyzed with XRD and results confirmed the presence of Au(0) with contamination of PbSO4, which was completely removed by washing with 1 M HCl. Thereafter, results from STEM-EDS analysis showed the presence of Au particles conjugated with organic material and other metals. Consequently, particles were subjected to another washing step with acetone. Afterwards, STEMEDS showed pure Au microparticle clusters (~0.8 μm) with flower-shaped or apparently cubic morphologies, and HRSTEM showed the tiny nanoparticles (~20 nm), which form the clusters.eng
dc.identifier.doi10.1007/s12649-023-02272-8
dc.identifier.eissn1877-265X
dc.identifier.issn1877-2641
dc.identifier.urihttp://hdl.handle.net/10400.1/28713
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofWaste and Biomass Valorization
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectGold recovery
dc.subjectPrinted circuit board
dc.subjectGold nanoparticles
dc.subjectPlant extract
dc.subjectPlant secondary metabolites
dc.titlePrinted circuit boards leaching followed by synthesis of gold nanoparticle clusters using plant extractseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04326/2020
oaire.awardNumberUIDP/04326/2020
oaire.awardNumberLA/P/0101/2020
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
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.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.issue4
oaire.citation.titleWaste and Biomass Valorization
oaire.citation.volume15
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameNobahar
person.familyNameLourenço
person.familyNameCosta
person.familyNameCarlier
person.givenNameAmir
person.givenNameJoão P.
person.givenNameMaria Clara
person.givenNameJorge
person.identifierhttps://scholar.google.com/citations?user=Wgc6MlUAAAAJ&hl=en
person.identifier634248
person.identifier.ciencia-id3A19-5673-BA9A
person.identifier.ciencia-idF81F-A1F0-2A7C
person.identifier.ciencia-id7110-A28E-3C8A
person.identifier.ciencia-id691D-A1BB-15CC
person.identifier.orcid0000-0002-7401-9076
person.identifier.orcid0000-0002-0501-6672
person.identifier.orcid0000-0003-1340-5237
person.identifier.orcid0000-0003-0675-2716
person.identifier.ridA-7758-2008
person.identifier.ridM-6189-2013
person.identifier.scopus-author-id57195730600
person.identifier.scopus-author-id35354952400
person.identifier.scopus-author-id7102166949
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
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