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Food By-Product Valorization by Using Plant-Based Coagulants Combined with AOPs for Agro-Industrial Wastewater Treatment

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dc.contributor.authorMartins, R.B.
dc.contributor.authorJorge, N.
dc.contributor.authorLucas, M.S.
dc.contributor.authorRaymundo, Anabela
dc.contributor.authorBarros, A.I.R.N.A.
dc.contributor.authorPeres, J.A.
dc.date.accessioned2022-04-18T10:47:43Z
dc.date.available2022-04-18T10:47:43Z
dc.date.issued2022
dc.description.abstractRe-using and adding value to by-products is one of the current focuses of the agri-food industry, following the Sustainable Development Goals of United Nations. In this work, the byproducts of four plants, namely chestnut burr, acorn peel, olive leaf, and grape stem were used as coagulants to treat elderberry wastewater (EW), a problematic liquid effluent. EW pre-treatment using these natural coagulants showed promising results after pH and coagulant dosage optimization. However, the decrease in total organic carbon (TOC) was not significant, due to the addition of the plant-based natural coagulants which contain carbon content. After this pre-treatment, the photo-Fenton advanced oxidation process was selected, after preliminary assays, to improve the global performance of the EW treatment. Photo-Fenton was also optimized for the parameters of pH, H2O2, Fe2+, and irradiance power, and the best conditions were applied to the EW treatment. Under the best operational conditions defined in the parametric study, the combined results of coagulation–flocculation–decantation (CFD) and photo-Fenton for chestnut burr, acorn peel, olive leaf, and grape stem were, respectively, 90.2, 89.5, 91.5, and 88.7% for TOC removal; 88.7, 82.0, 90.2 and 93.1%, respectively, for turbidity removal; and finally, 40.6, 42.2, 45.3, and 39.1%, respectively, for TSS removal. As a final remark, it is possible to suggest that plant-based coagulants, combined with photo-Fenton, can be a promising strategy for EW treatment that simultaneously enables valorization by adding value back to food by-productspt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMartins, R.B.; Jorge, N.; Lucas, M.S.; Raymundo, A.; Barros, A.I.R.N.A.; Peres, J.A. Food By-Product Valorization by Using Plant-Based Coagulants Combined with AOPs for Agro-Industrial Wastewater Treatment. Int. J. Environ. Res. Public Health 2022, 19, 4134pt_PT
dc.identifier.doihttps://doi.org/10.3390/ ijerph19074134pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/24093
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationPD/00122/2012pt_PT
dc.relationUsing by-products and non-valuable natural products as flour source to produce gluten free bread - Análise de alimentos super associados a dietas especificas, que não são produzidos em Portugal, para fazer a sua caracterização e comparar com produtos semelhantes, mas de origem nacional.
dc.relationLinking Landscape, Environment, Agriculture and Food
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectcircular economypt_PT
dc.subjectby-products reusept_PT
dc.subjectplant-based coagulantspt_PT
dc.subjectwastewater treatmentpt_PT
dc.subjectcoagulation–flocculation–decantationpt_PT
dc.subjectphoto-Fentonpt_PT
dc.titleFood By-Product Valorization by Using Plant-Based Coagulants Combined with AOPs for Agro-Industrial Wastewater Treatmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleUsing by-products and non-valuable natural products as flour source to produce gluten free bread - Análise de alimentos super associados a dietas especificas, que não são produzidos em Portugal, para fazer a sua caracterização e comparar com produtos semelhantes, mas de origem nacional.
oaire.awardTitleLinking Landscape, Environment, Agriculture and Food
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/PD%2FBD%2F135332%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04129%2F2020/PT
oaire.citation.titleInternational Journal of Environmental Research and Public Healthpt_PT
oaire.fundingStreamPOR_NORTE
oaire.fundingStream6817 - DCRRNI ID
person.familyNameRaymundo
person.givenNameAnabela
person.identifier1445512
person.identifier.ciencia-idD71D-F355-5B85
person.identifier.orcid0000-0001-5266-1685
person.identifier.ridM-9260-2013
person.identifier.scopus-author-id55957162900
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
relation.isAuthorOfPublication63f1faff-64dd-41b7-9419-2345092cf183
relation.isAuthorOfPublication.latestForDiscovery63f1faff-64dd-41b7-9419-2345092cf183
relation.isProjectOfPublicationcb1757c0-00e4-4a07-98fc-04a3f43d11bb
relation.isProjectOfPublication68ef0aed-47b8-469e-819f-7175024862e9
relation.isProjectOfPublication.latestForDiscovery68ef0aed-47b8-469e-819f-7175024862e9

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