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Degradation of propyl paraben by activated persulfate using iron-containing magnetic carbon xerogels: investigation of water matrix and process synergy effects

2018Journal article Open access
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dc.contributor.authorMetheniti, Maria Evangelia
dc.contributor.authorFrontistis, Zacharias
dc.contributor.authorRibeiro, Rui
dc.contributor.authorSilva, Adrián
dc.contributor.authorFaria, Joaquim
dc.contributor.authorGomes, Helder
dc.contributor.authorMantzavinos, Dionissios
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-02-04T17:00:59Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-02-04T17:00:59Z
dc.date.issued2018
dc.description.abstractAn advanced oxidation process comprising an iron-containing magnetic carbon xerogel (CX/Fe) and persulfate was tested for the degradation of propyl paraben (PP), a contaminant of emerging concern, in various water matrices. Moreover, the effect of 20 kHz ultrasound or light irradiation on process performance was evaluated. The pseudo-first order degradation rate of PP was found to increase with increasing SPS concentration (25–500 mg/L) and decreasing PP concentration (1690–420 μg/L) and solution pH (9–3). Furthermore, the effect of water matrix on kinetics was detrimental depending on the complexity(i.e., wastewater, river water, bottled water) and the concentration ofmatrix constituents(i.e.,humicacid,chloride,bicarbonate). The simultaneous use of CX/Fe and ultrasound as persulfate activators resulted in a synergistic effect, with the level of synergy (between 35 and 50%) depending on the water matrix.Conversely,couplingCX/FewithsimulatedsolarorUVA irradiation resulted in a cumulative effect in experiments performed in ultrapure water.en_EN
dc.description.sponsorshipPart of this work was financially supported by: Project POCI-01-0145-FEDER-006984 - Associate Laboratory LSRELCM funded by FEDER through COMPETE2020—Programa Operacional Competitividade e Internacionalização (POCI)—and by national funds through Fundação para a Ciência e a Tecnologia (FCT). Rui S. Ribeiro acknowledges the FCT individual Ph.D. grant SFRH/BD/ 94177/2013, with financing from FCT and the European Social Fund (through POPH and QREN). Dr. Adrian M.T. Silva acknowledges the FCT Investigator 2013 Programme (IF/01501/2013), with financing from the European Social Fund and the Human Potential Operational Programme.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMetheniti, Maria Evangelia; Frontistis, Zacharias; Ribeiro, Rui S.; Silva, Adrián; Faria, Joaquim; Gomes, Helder T.; Mantzavinos, Dionissios (2018). Degradation of propyl paraben by activated persulfate using iron-containing magnetic carbon xerogels: investigation of water matrix and process synergy effects. Environmental Science and Pollution Research. ISSN 0944-1344. 25, p. 34801-34810en_EN
dc.identifier.doi10.1007/s11356-017-0178-9en_EN
dc.identifier.issn0944-1344
dc.identifier.urihttp://hdl.handle.net/10198/18661
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationIF/01501/2013
dc.relationPOCI-01-0145-FEDER-006984
dc.subjectCombined activationen_EN
dc.subjectEndocrine disruptoren_EN
dc.subjectEnvironmental sampleen_EN
dc.subjectHeterogeneous catalysten_EN
dc.subjectKineticsen_EN
dc.subjectSynergyen_EN
dc.subjectUltrasounden_EN
dc.titleDegradation of propyl paraben by activated persulfate using iron-containing magnetic carbon xerogels: investigation of water matrix and process synergy effectsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F94177%2F2013/PT
oaire.fundingStreamSFRH
person.familyNameGomes
person.givenNameHelder
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0000-0001-6898-2408
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication0eb96337-224a-4339-9918-334436fbbb99
relation.isAuthorOfPublication.latestForDiscovery0eb96337-224a-4339-9918-334436fbbb99
relation.isProjectOfPublication87df9a8b-083c-4efd-832f-32e56b5b6c1e
relation.isProjectOfPublication.latestForDiscovery87df9a8b-083c-4efd-832f-32e56b5b6c1e

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