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Kinetic study of ozone decay in homogeneous phosphate-buffered medium

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Kinetic study of ozone decay in homogeneous phosphate-buffered medium

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dc.contributor.author Ferre Aracil, Jesús es_ES
dc.contributor.author Cardona, S. C. es_ES
dc.contributor.author Navarro-Laboulais, J. es_ES
dc.date.accessioned 2016-10-04T09:57:51Z
dc.date.available 2016-10-04T09:57:51Z
dc.date.issued 2015-07-04
dc.identifier.issn 0191-9512
dc.identifier.uri http://hdl.handle.net/10251/71098
dc.description.abstract The ozone decomposition reaction is analyzed in a homogeneous reactor through in-situ measurement of the ozone depletion. The experiments were carried out at pHs between 1 to 11 in H2PO4-/HPO42 buffers at constant ionic strength (0.1 M) and between 5 and 35 ºC. A kinetic model for ozone decomposition is proposed considering the existence of two chemical subsystems, one accounting for direct ozone decomposition leading to hydrogen peroxide and the second one accounting for the reaction between the hydrogen peroxide with the ozone to give different radical species. The model explains the apparent reaction order respect of the ozone for the entire pH interval. The decomposition kinetics at pH 4.5, 6.1, and 9.0 is analyzed at different ionic strength and the results suggest that the phosphate ions do not act as a hydroxyl radical scavenger in the ozone decomposition mechanism. es_ES
dc.description.sponsorship J. Ferre-Aracil acknowledges the support of the doctoral fellowship from the Universitat Politecnica de Valencia (UPV-PAID-FPI-2010-04). en_EN
dc.language Inglés es_ES
dc.publisher Taylor & Francis: STM, Behavioural Science and Public Health Titles es_ES
dc.relation.ispartof Ozone: Science and Engineering es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Ozone es_ES
dc.subject Homogeneous Reactor es_ES
dc.subject Ozone Decay es_ES
dc.subject Ozone Decomposition es_ES
dc.subject Phosphate Buffer es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Kinetic study of ozone decay in homogeneous phosphate-buffered medium es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1080/01919512.2014.998756
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-FPI-2010-04/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Seguridad Industrial, Radiofísica y Medioambiental - Institut de Seguretat Industrial, Radiofísica i Mediambiental es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear es_ES
dc.description.bibliographicCitation Ferre Aracil, J.; Cardona, SC.; Navarro-Laboulais, J. (2015). Kinetic study of ozone decay in homogeneous phosphate-buffered medium. Ozone: Science and Engineering. 37(4):330-342. https://doi.org/10.1080/01919512.2014.998756 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1080/01919512.2014.998756 es_ES
dc.description.upvformatpinicio 330 es_ES
dc.description.upvformatpfin 342 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 37 es_ES
dc.description.issue 4 es_ES
dc.relation.senia 295616 es_ES
dc.identifier.eissn 1547-6545
dc.contributor.funder Universitat Politècnica de València es_ES
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