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Breakthrough Curves for the Continuous Adsorption of Micropollutants on Activated Carbon/Geopolymer Mixtures

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datacite.subject.fosCiências Agrárias::Biotecnologia Agrária e Alimentar
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorBaldo, Arthur P.
dc.contributor.authorSilva, Ana P. F.
dc.contributor.authorSilva, Adriano S.
dc.contributor.authorDíaz de Tuesta, Jose Luis
dc.contributor.authorMarin, Pricila
dc.contributor.authorPeres, José A.
dc.contributor.authorGomes, Helder
dc.date.accessioned2025-11-04T16:01:54Z
dc.date.available2025-11-04T16:01:54Z
dc.date.issued2024
dc.description.abstractBreakthrough curves are key for designing continuous flow adsorption systems, typically obtained experimentally or through modeling [1]. In this study, a mixture of activated carbon (AC) and geopolymers (GP) was tested in a continuous treatment system for the removal of model contaminants from waters in a single-component system composed of sulfamethoxazole (SMX), acetaminophen (ACT), or gallic acid (GA). In addition, the adsorbent materials were also tested in a multi-component water matrix to evaluate the interactions between adsorbates and adsorbents. Adsorption tests were conducted using 1g of GP and 0.5g of AC, filled with glass beads. The experiments were carried out at room temperature, considering 100 mg/L for all contaminants and natural pH of the solutions. The flow was set to 1 mL/min and controlled by a peristaltic pump. The breakthrough curves are shown in Figure 1. Based on the experimental data, the useful operating times were calculated, assuming that the effluent concentration should not exceed 5% of the initial concentration [2], yielding 228 minutes for ACT, 46 minutes for SMX, and 53 minutes for GA in the multi-component system. A reduction in time was observed when compared to the single-component system due to faster saturation caused by competition for active sites. The useful adsorption capacities were also calculated, with values of 45.7 mg/g for ACT, 9.2 mg/g for SMX, and 10.7 mg/g for GA in the multicomponent system. The overall results indicated that the column was efficient, as the contaminating compounds were removed up to the system breakthrough. In conclusion, this preliminary study suggests that these materials can be effectively combined and applied in tertiary wastewater treatments, as permeable reactive barriers.eng
dc.description.sponsorshipThis work was supported by national funds through FCT/MCTES (PIDDAC): CIMO, UIDB/00690/2020 (DOI: 10.54499/UIDB/00690/2020) and UIDP/00690/2020 (DOI: 10.54499/UIDP/00690/2020); and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/2020). We would also like to thank the scientific collaboration under Base-UIDB/50020/2020, CQVR (UIDB/00616/2020). The authors acknowledge the financial support provided by fundação La Caixa for the project INOVÁGUA and to Sociedade Ponto Verde through the project “Materias geopoliméricos obtidos a partir da valorização de resíduos sólidos urbanos”. Ana Paula F. da Silva and Adriano Silva supported by the doctoral Grant SFRH/BD/151346/2021 and PRT/BD/ 153090/2021 financed by the Portuguese Foundation for Science and Technology (FCT) with funds from NORTE2020, under MIT Portugal Program. Jose L. Diaz De Tuesta acknowledges financial support from the Atracción al Talento program of Comunidad de Madrid (Spain) for the individual research grants 2020-T2/AMB-19836 and 2022-T1/AMB-23946.
dc.identifier.citationBaldo, Arthur P.; Silva, Ana P. F.; Silva, Adriano S.; Díaz de Tuesta, Jose Luis; Marin, Pricila; Peres, José A.; Gomes, Helder (2024). Breakthrough Curves for the Continuous Adsorption of Micropollutants on Activated Carbon/Geopolymer Mixtures. In Libro de resúmenes del XXVIII Encontro Internacional Galego‐Portugués de Química. Vigo. ISBN 978-84-09-66439-9
dc.identifier.isbn978-84-09-66439-9
dc.identifier.urihttp://hdl.handle.net/10198/34940
dc.language.isoeng
dc.peerreviewedyes
dc.publisherColegio Oficial de Químicos de Galicia
dc.relationMountain Research Center
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationChemistry Center - Vila Real
dc.relationOptimization of municipal solid waste management systems towards sustainability
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectActivated Carbon
dc.subjectGeopolymer Mixtures
dc.titleBreakthrough Curves for the Continuous Adsorption of Micropollutants on Activated Carbon/Geopolymer Mixtureseng
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardTitleChemistry Center - Vila Real
oaire.awardTitleOptimization of municipal solid waste management systems towards sustainability
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50020%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00616%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F151346%2F2021/PT
oaire.citation.conferenceDate2024
oaire.citation.conferencePlaceVigo
oaire.citation.endPage95
oaire.citation.startPage95
oaire.citation.titleLibro de resúmenes del XXVIII Encontro Internacional Galego‐Portugués de Química
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamOE
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameBaldo
person.familyNameSilva
person.familyNameSilva
person.familyNameGomes
person.givenNameArthur P.
person.givenNameAna P. F.
person.givenNameAdriano S.
person.givenNameHelder
person.identifierhttps://www.researchgate.net/profile/Ana-Ferreira-Da-Silva-3
person.identifier.ciencia-idD51C-88AB-48EE
person.identifier.ciencia-id991F-2DB8-3246
person.identifier.ciencia-id3E14-5049-B09D
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0009-0000-7853-0667
person.identifier.orcid0000-0001-8979-8407
person.identifier.orcid0000-0002-6795-2335
person.identifier.orcid0000-0001-6898-2408
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
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