Navegação Ciências Exatas e da Terra por Autor "Lansarin, Marla Azario"
Resultados 1-6 de 6
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A comparison of slurry and immobilized TIO2 in the photocatalytic degradation
Silva, Fernanda Vargas e; Lansarin, Marla Azario; Moro, Celso Camilo (2012) [Artigo de periódico]The photocatalytic degradation of phenol was studied using slurry and immobilized TiO2 as catalysts in order to compare the specific reaction rate constants, ks and kp. Losses from phenol evaporation, the time necessary ... -
Degradação fotocatalítica do fungicida tebuconazole em solução aquosa
Prestes, Thiago de Hermann; Gibbon, Danielle de Oliveira; Lansarin, Marla Azario; Moro, Celso Camilo (2010) [Artigo de periódico]The tebuconazole photocatalytic degradation kinetics was studied in a batch reactor using TiO2 (P25-Degussa) as catalyst and a high pressure mercury lamp. The photolysis, adsorption and irradiation effects in the reaction ... -
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas
Moro, Celso Camilo; Lansarin, Marla Azario; Bagnara, Mônica (2012) [Artigo de periódico]TiO2 nanotubes were synthesized by hydrothermal method and doped with three nitrogen compounds to enhance photocatalytic activity under visible light. Catalysts were characterized by X-ray diffraction (XRD), transmission ... -
Síntese, caracterização e atividade fotocatalítica de catalisadores nanoestruturados de TiO2 dopados com metais
Silva, William Leonardo da; Lansarin, Marla Azario; Moro, Celso Camilo (2013) [Artigo de periódico]Titanium dioxide nanostructured catalysts (nanotubes) doped with different metals (silver, gold, copper, palladium and zinc) were synthesized by the hydrothermal method in order to promote an increase in their photocatalytic ... -
A study of process variables for the photocatalytic degradation of rhodamine B
Soares, Edilberto Toscani; Lansarin, Marla Azario; Moro, Celso Camilo (2007) [Artigo de periódico]The photoactivated degradation reaction of rhodamine B (RB) was studied using P-25 TiO2 (Degussa) as catalyst. Three process variables – temperature, initial pH, and catalyst concentration – were evaluated. Temperature had ... -
Styrene photocatalytic degradation reaction kinetics
Taffarel, Silvio Roberto; Lansarin, Marla Azario; Moro, Celso Camilo (2011) [Artigo de periódico]A reação de degradação fotocatalítica do estireno foi estudada utilizando-se TiO2 P-25 (Degussa) como catalisador. Os experimentos foram realizados em um reator “slurry” em bateladas, com controle de temperatura, empregando-se ...