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Toluene degradation by heterogeneous photocatalysis assisted with ozone in a tubular reactor: analysis over the reactor length.
Borges Ribeiro, Bárbara Maria; Nonato, Renato Carajelescov; Fujimoto, Tânia Miyoko; Bricio, Bianca Gvozdenovic Medina; Rochetto Doubek, Ursula Luana; Tomaz, Edson.
Afiliação
  • Borges Ribeiro BM; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil. b161176@dac.unicamp.br.
  • Nonato RC; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil.
  • Fujimoto TM; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil.
  • Bricio BGM; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil.
  • Rochetto Doubek UL; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil.
  • Tomaz E; Department of Process Engineering, School of Chemical Engineering, University of Campinas, Av. Albert Einstein, 500, Campinas, SP, CEP 13083-852, Brazil. etomaz@unicamp.br.
Environ Sci Pollut Res Int ; 28(19): 24216-24223, 2021 May.
Article em En | MEDLINE | ID: mdl-33754267
Volatile organic compounds (VOCs) are atmospheric pollutants that can affect human healthy and intensify some environmental problems. Among different techniques to degrade VOCs, heterogeneous photocatalysis has been highlighted. The aim of this research was to obtain high toluene degradation using heterogeneous photocatalysis in the ozone presence (TiO2/O3/UV) and analyze VOC degradation over the reactor length comparing with ozone concentration also over the reactor length. Ozone concentration has influence on toluene degradation; 75% of VOC degradation was reached with 69.0 mgL-1 of O3 meanwhile a degradation of 91% was obtained with 96.2 mgL-1 of O3. Toluene degradation reached a plateau over reactor length at flowrate of 565 mL min-1, which indicates the reactor was oversized in this case. However, it was not observed at 1425 mL min-1. In addition, it was evaluated that O3 concentration and toluene reaction rate decreased over the reactor length.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ozônio / Poluentes Atmosféricos / Compostos Orgânicos Voláteis Limite: Humans Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Alemanha
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ozônio / Poluentes Atmosféricos / Compostos Orgânicos Voláteis Limite: Humans Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Alemanha