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Valorization of compost obtained from the mechanical and biological treatment of municipal solid waste: catalysts for wet peroxide oxidation of landfill leachates

2021Conference object Open access
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dc.contributor.authorFreitas, Gabriel
dc.contributor.authorRoman, Fernanda
dc.contributor.authorDíaz de Tuesta, Jose Luis
dc.contributor.authorMambrini, Raquel Vieira
dc.contributor.authorGomes, Helder
dc.date.accessioned2021-10-29T10:34:01Z
dc.date.available2021-10-29T10:34:01Z
dc.date.issued2021
dc.description.abstractSince humanity started living in communities and towns, the generation of solid waste has largely increased and, in 2017, each European citizen generated 480 kg of municipal solid waste (MSW). The main concern with MSW is its management and final destination since in many cases MSW is just thrown in landfills. In mechanical and biological plants, MSW is first sorted into discarded, recyclable, and organic waste streams. This organic fraction goes to the biological treatment stage, generating biogas, and as by-products, leachate, and compost are obtained, the compost being mainly used as an agriculture fertilizer. However, the amount of compost produced is higher than its demand, resulting in an excess that is currently accumulated in landfills. This work deals with the valorization of compost to produce hydrochairs, and pyrochars, through hydrothermal carbonization (HTC) and pyrolysis, respectively, with suitable properties as catalysts for the catalytic wet peroxide oxidation of the landfill leachate. Up to seven catalysts were synthesized under several conditions, 2 from HTC and 5 from pyrolysis. The catalysts were characterized to determine the ash content and elemental analysis. All materials were assessed in the degradation of H 2 O 2 , leading to its complete degradation after 2 h of reaction time. Some selected catalysts were further tested in the CWPO of the landfill leachate (TOC = 27 g L -1 , COD = 60 g L -1 , 38.8 mS/cm, and 5 g L -1 of chloride ions) under the following operating conditions: C Catalyst = 1.8 g L -1 ; T = 80 ºC; C H2O2 = 85.7 g L -1 and pH from 3.0 to 7.3.pt_PT
dc.description.sponsorshipThis work was financially supported by project “VALORCOMP - Valorización de compost y otros desechos procedentes de la fracción orgánica de los residuos municipales”, with reference 0119_VALORCOMP_2_P, through FEDER under Program INTERREG; Base Funding - UIDB/50020/2020 of the Associate Laboratory LSRE-LCM - funded by national funds through FCT/MCTES (PIDDAC); CIMO (UIDB/00690/2020) through FEDER under Program PT2020, and national funding by FCT, Foundation for Science and Technology, through the individual research grant SFRH/BD/143224/2019 of Fernanda Fontana Roman.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFreitas, Gabriel; Roman, Fernanda; Díaz de Tuesta, Jose Luis; Mambrini, Raquel V.; Gomes, Helder (2021). Valorization of compost obtained from the mechanical and biological treatment of municipal solid waste: catalysts for wet peroxide oxidation of landfill leachates. In VI Congresso Ibero-Americano de Empreendedorismo, Energia, Meio Ambiente e Tecnologia: livro de resumos. Bragança: Instituto Politécnico de Bragança. ISBN 978-972-745-285-9pt_PT
dc.identifier.isbn978-972-745-285-9
dc.identifier.urihttp://hdl.handle.net/10198/24135
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationMountain Research Center
dc.relationAmphiphilic carbon-based materials for one-pot desulfurization and denitrogenation of liquid fuels
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMunicipal solid wastept_PT
dc.subjectValorisationpt_PT
dc.subjectWastewater treatmentpt_PT
dc.subjectLandfill leachatept_PT
dc.subjectCarbon-based catalystspt_PT
dc.titleValorization of compost obtained from the mechanical and biological treatment of municipal solid waste: catalysts for wet peroxide oxidation of landfill leachatespt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardTitleMountain Research Center
oaire.awardTitleAmphiphilic carbon-based materials for one-pot desulfurization and denitrogenation of liquid fuels
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50020%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F143224%2F2019/PT
oaire.citation.titleVI Congresso Ibero-Americano de Empreendedorismo, Energia, Meio Ambiente e Tecnologiapt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOR_NORTE
person.familyNameRoman
person.familyNameDíaz de Tuesta
person.familyNameGomes
person.givenNameFernanda
person.givenNameJose Luis
person.givenNameHelder
person.identifier.ciencia-idEE1B-DAA7-D0BD
person.identifier.ciencia-id7A1F-022B-7DBF
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0000-0001-5360-5298
person.identifier.orcid0000-0003-2408-087X
person.identifier.orcid0000-0001-6898-2408
person.identifier.ridD-9785-2017
person.identifier.scopus-author-id55755821600
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
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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