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Type: Artigo de periódico
Title: A Study Of V2o5-k2so4-sio2 Catalysts For Catalytic Vapor-phase Oxidation Of Toluene To Benzaldehyde
Author: Rocha Jr. A.O.
Chagas A.L.
Sune L.S.V.S.
Lopes M.F.S.
Pereira J.A.F.R.
Abstract: The vapor phase catalytic oxidation of toluene to benzaldehyde has been studied over V2O5-K2SO4-SiO2 catalysts in an isothermal differential reactor. The experiments were carried out at atmospheric pressure, temperatures from 410°C to 470°C and the modified spatial time (W/FT0) ranging from 0 to 180 g cat/mol toluene/h. The experimental tests showed the best performance for the catalyst obtained by co-precipitation. These results may be due to a crystalline phase identified in the process of catalyst characterization. Reaction kinetics was determined using the Mars and van Krevelen model.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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