Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/48983
Campo DC Valoridioma
dc.contributor.authorSeck, Elhadji Idrissaen_US
dc.contributor.authorDoña-Rodríguez, J. M.en_US
dc.contributor.authorFernández-Rodríguez, C.en_US
dc.contributor.authorGonzález-Díaz, O. M.en_US
dc.contributor.authorAraña, J.en_US
dc.contributor.authorPérez-Peña, J.en_US
dc.contributor.otherGonzalez Diaz, Oscar-
dc.contributor.otherArana Mesa, Javier-
dc.contributor.otherDona Rodriguez, Jose Miguel-
dc.contributor.otherFernandez-Rodriguez, Cristina-
dc.date.accessioned2018-11-24T02:49:49Z-
dc.date.available2018-11-24T02:49:49Z-
dc.date.issued2012en_US
dc.identifier.issn0926-3373en_US
dc.identifier.urihttp://hdl.handle.net/10553/48983-
dc.description.abstractA comparative study of the photoefficiency of two different TiO2 catalysts in the elimination, mineralization and detoxification of waters containing herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) and toxic intermediates was performed at laboratory scale. Commercial TiO2 (Degussa (Evonik) P25) and TiO2 synthesized by citrate sol–gel method (ECT-1023t) were selected as photocatalysts. Adsorption studies, kinetic analysis and an analysis of the effect of adding oxidizing agents (H2O2 and S2O82−) were carried out for both catalysts. The toxic effect of photocatalytic treatment at different reaction times was determined by marine bacteria Vibrio fischeri bioassay. The toxic effect on this organism of the main degradation intermediate 2,4-dichlorophenol (2,4-DCP) was higher than for the initial herbicide. The optimal operational variables to eliminate the herbicide and toxic intermediates were established for both catalysts. The most effective removal of 2,4-D and toxic intermediate 2,4-DCP was achieved using ECT-1023t as catalyst at pH 3 and pH 5. The inhibitory effect on V. fischeri growth in water containing 2,4-D after 2 h of photocatalytic treatment was negligible when using ECT-1023t as catalyst. Longer times were necessary to obtain similar results when using P25 as catalyst. The addition of H2O2 significantly enhanced the degradation and mineralization rate, with different optimal H2O2 concentrations for the tested catalysts. When using H2O2 as oxidizing agent, toxicity on V. fischeri was eliminated before 1 h of photodegradation treatment with both photocatalysts.en_US
dc.languageengen_US
dc.relationModificación y Optimización de Catalizadores Basados en Materiales Altamente Fotoactivos Para Procesos Fotocatalíticos en Fase Acuosa y Gaseosa.en_US
dc.relationWater Detoxification Using Innovative vi-Nanocatalystsen_US
dc.relation.ispartofApplied Catalysis B: Environmentalen_US
dc.sourceApplied Catalysis B: Environmenta l [ISSN 0926-3373], v. 125, p. 28-34en_US
dc.subject221001 Catálisisen_US
dc.subject.other2,4-Dichlorophenoxyacetic aciden_US
dc.subject.otherPhotocatalysisen_US
dc.subject.otherECT-1023ten_US
dc.subject.otherVibrio fischerien_US
dc.subject.otherH2O2en_US
dc.subject.otherFTIRen_US
dc.titlePhotocatalytic removal of 2,4-dichlorophenoxyacetic acid by using sol-gel synthesized nanocrystalline and commercial TiO2: Operational parameters optimization and toxicity studiesen_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.apcatb.2012.05.028en_US
dc.identifier.scopus84864544226-
dc.identifier.isi000308783500005-
dcterms.isPartOfApplied Catalysis B-Environmental-
dcterms.sourceApplied Catalysis B-Environmental[ISSN 0926-3373],v. 125, p. 28-34-
dc.contributor.authorscopusid55327250800-
dc.contributor.authorscopusid6701567121-
dc.contributor.authorscopusid8381553300-
dc.contributor.authorscopusid6602708293-
dc.contributor.authorscopusid57194192035-
dc.contributor.authorscopusid7005207158-
dc.contributor.authorscopusid7004839316-
dc.description.lastpage34en_US
dc.description.firstpage28en_US
dc.relation.volume125en_US
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.contributor.daisngid8375980-
dc.contributor.daisngid1159344-
dc.contributor.daisngid2293971-
dc.contributor.daisngid2523621-
dc.contributor.daisngid878298-
dc.contributor.daisngid11090994-
dc.contributor.daisngid4553361-
dc.contributor.daisngid1479300-
dc.identifier.investigatorRIDK-7365-2014-
dc.identifier.investigatorRIDK-8643-2014-
dc.identifier.investigatorRIDNo ID-
dc.identifier.investigatorRIDNo ID-
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Seck, EI-
dc.contributor.wosstandardWOS:Dona-Rodriguez, JM-
dc.contributor.wosstandardWOS:Fernandez-Rodriguez, C-
dc.contributor.wosstandardWOS:Gonzalez-Diaz, OM-
dc.contributor.wosstandardWOS:Arana, J-
dc.contributor.wosstandardWOS:Perez-Pena, J-
dc.date.coverdateAgosto 2012en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-BASen_US
dc.description.sjr2,629
dc.description.jcr5,825
dc.description.sjrqQ1
dc.description.jcrqQ1
dc.description.scieSCIE
item.fulltextSin texto completo-
item.grantfulltextnone-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Química-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Didácticas Específicas-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Química-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Química-
crisitem.author.deptGIR IUNAT: Fotocatálisis y espectroscopía para aplicaciones medioambientales.-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.orcid0000-0003-3604-1544-
crisitem.author.orcid0000-0001-6255-893X-
crisitem.author.orcid0000-0003-0876-8121-
crisitem.author.orcid0000-0002-5551-029X-
crisitem.author.orcid0000-0003-1889-2281-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.fullNameDoña Rodríguez, José Miguel-
crisitem.author.fullNameFernández Rodríguez, Cristina-
crisitem.author.fullNameGonzález Díaz, Oscar Manuel-
crisitem.author.fullNameAraña Mesa, Francisco Javier-
crisitem.author.fullNamePérez Peña,Jesús-
crisitem.project.principalinvestigatorPérez Peña,Jesús-
crisitem.project.principalinvestigatorDoña Rodríguez, José Miguel-
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