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Nanofibrillated cationic cellulose derivatives as flocculants for domestic wastewater treatment

2024Journal article Open Access
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dc.contributor.authorRibau Teixeira, Margarida
dc.contributor.authorIsmail, Abdullah
dc.contributor.authorMedronho, Bruno
dc.contributor.authorAlves, Luís
dc.contributor.authorPedrosa, Jorge F.S.
dc.contributor.authorFerreira, Paulo J.T.
dc.contributor.authorSerrão Sousa, Vânia
dc.contributor.authorRosa Da Costa, Ana
dc.date.accessioned2024-03-13T09:37:40Z
dc.date.available2024-03-13T09:37:40Z
dc.date.issued2024
dc.description.abstractNatural-based coagulants have emerged as a reliable option to implement more sustainable operations and management of wastewater treatment plants. This work aims at evaluating the use of cationic nanofibrillated celluloses (cNFC) as novel bio-based flocculants to treat domestic wastewaters by the most widely employed treatment process – coagulation/flocculation. Two cNFC samples were prepared with different charge densities and tested as coagulant/flocculants using different water characteristics. The effect of cNFCs was studied by measuring the residual turbidity and dissolved organic carbon. The aggregation mechanism and kinetics of flocculation were also evaluated. Results show that cNFC can be used as an efficient flocculant to treat medium and high DOC waters since they considerably reduce turbidity (turbidity removals varied between 66.0 % and 85.7 % for the waters and cNFCs tested) without increasing dissolved organic carbon. Instead, cNFC removed dissolved organic carbon from domestic wastewaters (between 22.1 % and 65.5 % of DOC removals for the waters and cNFCs tested), which is a novel remarkable finding and a step forward in this knowledge area. High density charged cNFC revealed superior removal capacity at lower doses than the commercial coagulant FeCl3.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jwpe.2024.104817pt_PT
dc.identifier.issn2214-7144
dc.identifier.urihttp://hdl.handle.net/10400.1/20495
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationCenter for Environmental and Sustainability Research
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relationNot Available
dc.relationFrom Forest to Crops: Development of sustainable bio-based emulsifiers and fungicides for crops protection.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectNanocellulosespt_PT
dc.subjectCationic derivativespt_PT
dc.subjectCoagulationpt_PT
dc.subjectFlocculationpt_PT
dc.subjectOrganic matterpt_PT
dc.titleNanofibrillated cationic cellulose derivatives as flocculants for domestic wastewater treatmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCenter for Environmental and Sustainability Research
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardTitleNot Available
oaire.awardTitleFrom Forest to Crops: Development of sustainable bio-based emulsifiers and fungicides for crops protection.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04085%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05183%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2018/CEECIND%2F01014%2F2018%2FCP1540%2FCT0002/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND4ed/2021.00399.CEECIND%2FCP1656%2FCT0025/PT
oaire.citation.startPage104817pt_PT
oaire.citation.titleJournal of Water Process Engineeringpt_PT
oaire.citation.volume58pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND 2018
oaire.fundingStreamCEEC IND4ed
person.familyNameRibau Teixeira
person.familyNameMedronho
person.familyNameSerrão Sousa
person.familyNameRosa da Costa
person.givenNameMargarida
person.givenNameBruno
person.givenNameVânia
person.givenNameAna M
person.identifier305029
person.identifier.ciencia-id9111-87FB-26AA
person.identifier.ciencia-id611F-9C78-13DD
person.identifier.ciencia-id6918-9AB3-8D22
person.identifier.ciencia-id3D18-B03F-52FB
person.identifier.ciencia-idA418-A85E-5DB1
person.identifier.orcid0000-0002-2153-3282
person.identifier.orcid0000-0003-1592-9237
person.identifier.orcid0000-0003-0972-1739
person.identifier.orcid0000-0002-3800-1688
person.identifier.orcid0000-0003-0225-9537
person.identifier.ridB-9012-2012
person.identifier.ridP-5927-2014
person.identifier.ridE-2165-2012
person.identifier.scopus-author-id8988625600
person.identifier.scopus-author-id9940656700
person.identifier.scopus-author-id53986075100
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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