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dc.contributor.author
Lescano, Maia Raquel
dc.contributor.author
Zalazar, Cristina Susana
dc.contributor.author
Cassano, Alberto Enrique
dc.contributor.author
Brandi, Rodolfo Juan
dc.date.available
2017-02-17T14:04:20Z
dc.date.issued
2011-09
dc.identifier.citation
Lescano, Maia Raquel; Zalazar, Cristina Susana; Cassano, Alberto Enrique; Brandi, Rodolfo Juan; Arsenic (III) oxidation of water applying a combination of hydrogen peroxide and UVC radiation; Royal Society Of Chemistry; Photochemical And Photobiological Sciences; 10; 11; 9-2011; 1793-1803
dc.identifier.issn
1474-905X
dc.identifier.uri
http://hdl.handle.net/11336/13112
dc.description.abstract
Arsenic is toxic to both plants and animals and inorganic arsenicals are proven carcinogens in humans. The oxidation of As(III) to As(V) is desirable for enhancing the immobilization of arsenic and is required for most arsenic removal technologies. The main objective of this research is to apply an Advanced Oxidation Process that combines ultraviolet radiation and hydrogen peroxide (UVC/H2O2) for oxidizing aqueous solutions of As(III). For that purpose, a discontinuous photochemical reactor (laboratory scale) was built with two 40 W tubular germicidal lamps l >253.7 nm) operating inside a recycling system. The study was made beginning with a concentration of 200mg/L of As(III), changing the H2O2 concentration and the spectral fluence rate on the reactor windows. Based on references in the literature on the photolysis of hydrogen peroxide, arsenic oxidation and our experimental results, a complete reaction scheme, apt for reaction kinetics mathematical modelling, is proposed. In addition, the effectiveness of arsenic oxidation was evaluated using a raw groundwater sample. It is concluded that the photochemical treatment of As(III) using H2O2 and UVC radiation is a simple and feasible technique for the oxidation of As(III) to As(V).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society Of Chemistry
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Arsenic Oxidation
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Hydrogen Peroxide And Uv
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Kinetics
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Ingeniería de Procesos Químicos
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Ingeniería Química
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INGENIERÍAS Y TECNOLOGÍAS
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Otras Ingeniería del Medio Ambiente
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Ingeniería del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Arsenic (III) oxidation of water applying a combination of hydrogen peroxide and UVC radiation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-02-09T13:50:57Z
dc.journal.volume
10
dc.journal.number
11
dc.journal.pagination
1793-1803
dc.journal.pais
Reino Unido
dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Lescano, Maia Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina
dc.description.fil
Fil: Zalazar, Cristina Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería y Ciencias Hídricas; Argentina
dc.description.fil
Fil: Cassano, Alberto Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería y Ciencias Hídricas; Argentina
dc.description.fil
Fil: Brandi, Rodolfo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería y Ciencias Hídricas; Argentina
dc.journal.title
Photochemical And Photobiological Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1039/c1pp05122a
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2011/PP/c1pp05122a#!divAbstract
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