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The use of nanovermiculite catalyst in the study of removal of the organic load and degradation of atrazine via ozone process in RPB reactor.
de O Teixeira, Gabriel N; da Cruz, Arthur M S; Samanamud, Gisella R L; França, Alexandre B; Naves, Luzia L R; Melo, Diego; Morais, Daiana; Baston, Eduardo Prado; Naves, Fabiano L.
Afiliación
  • de O Teixeira GN; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • da Cruz AMS; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Samanamud GRL; Chemical and Materials Engineering, University of Kentucky, Paducah, Kentucky, USA.
  • França AB; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Naves LLR; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Melo D; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Morais D; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Baston EP; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
  • Naves FL; Chemical Engineering and Statistics Department (Research Group Waste Treatment and Management Processes), Federal University of Sao João Del Rei, São João Del Rei, Brazil.
J Environ Sci Health B ; 55(1): 19-29, 2020.
Article en En | MEDLINE | ID: mdl-31524057
The main objective of this study is the degradation of a synthetic solution of atrazine by a modified vermiculite catalyzed ozonation, in a rotating packed bed (RPB) reactor. A 0.5 L RPB reactor was used to perform the experiments, using a Central Composite Design (CCD) response surface to construct the quadratic model based on the factors: pH, catalyst concentration and reactor rotation frequency. The response variable was the removal of the organic load measured in terms of Chemical Oxygen Demand (COD). After the complete quadratic model was constructed through the response surface, the COD degradation process had an optimal removal of 41% under the following conditions: pH 8.0, rotation of 1150 rpm and catalyst concentration 0.66 g L-1.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ozono / Atrazina / Contaminantes Ambientales Tipo de estudio: Prognostic_studies Idioma: En Revista: J Environ Sci Health B Año: 2020 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ozono / Atrazina / Contaminantes Ambientales Tipo de estudio: Prognostic_studies Idioma: En Revista: J Environ Sci Health B Año: 2020 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido