Buscar
Mostrando ítems 21-30 de 563
Estudo da potencialidade da terapia fotodinâmica antimicrobiana (TFDA) na desinfecção de água
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Química e Biologia, 2012-12-18)
Water is a fundamental element for the existence of all living beings. However, it's possible compromise it quality by anthropogenic influence, making the water carrier diseases due to the existence of microorganisms (many ...
Preferential oxidation of CO in presence of H2. Behavior of PtSn/g-Al2O3 catalysts modified by K or Ba
(Planta Piloto de Ingeniería Química, 2007-12)
The behavior of catalysts based on Pt/ -Al2O3 is analyzed in the CO oxidation reaction. Experiments were performed in the temperature range between 50°C and 250°C with a feed H2 rich, and a concentration of 1% CO and 0.6% ...
Avaliação da toxicidade de efluente kraft após tratamento por processos oxidativos avançados
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Química e Biologia, 2013-04-30)
This study aimed to evaluate the toxicity of effluents from kraft cellulose process before and after treatment by Advanced Oxidation Processes (AOPs). The results were compared to chemical parameters such as DOC (Dissolved ...
Sputter deposited titanium oxide films for photoelectrochemical water purification
(Universidad Nacional de Ingeniería, 2013)
Sputter deposited titanium oxide films for photoelectrochemical water purification
(Universidad Nacional de Ingeniería, 2013)
ZnO impregnado com Fe e Ag aplicado como catalisador na descoloração de solução sintética contendo corante azul de metileno
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de Engenharia QuímicaEngenharia QuímicaUTFPR, 2019-11-29)
The water is a importante resource for the maintenance of life in our planet, and the textile industry consumes great quantities of it. The dyeing step is responsible for great part of the coloring of the resulting effluent ...
Preparation and characterization of Zno/CuO semiconductor and photocatalytic activity on the decolorization of direct red 80 azodye
(2015-12-01)
Zinc oxide, an n-type semiconductor, has been used as photocatalyst for contaminated water purification by organic compounds. The addition of a p-type semiconductor as copper oxide could increase the catalytic efficiency ...