Search
Now showing items 1-10 of 35
Catalisadores de CuO, Fe2O3 ou Co3O4 suportados em TiO2, CeO2 ou ZrO2: preparação via Sol-gel in situ ou impregnação e avaliação na redução de NO com CO
(Universidade Federal de São Carlos, 2012-04-13)
The minimization of the emissions of nitrogen oxides (NOx) is a subject of crucial interest, since them cause serious environmental problems which affect human health, vegetation and fauna. With the purpose to abate NOx, ...
Sobre a estabilidade de catalisadores de cobalto suportados durante a reforma do etanol
(Universidade Federal de São Carlos, 2012-06-11)
Cobalt-based catalysts supported on γ-alumina and magnesium aluminate modified with lanthanum and cerium have been applied to various conditions of reforming of ethanol. The initial challenge was to control the rate ...
Catalisadores de Mo suportados sobre sílica, sílica-titânia ou sílica-zircônia promovidos por Co ou Ni: avaliação do método de preparação e da composição do suporte na atividade para HDS
(Universidade Federal de São Carlos, 2012-04-30)
Hydrodesulfurization (HDS) catalysts containing Mo, NiMo or CoMo were supported on silica, silica-titania and silica-zirconia. These supports were synthesized by the sol-gel method, using citric acid as an agent to pore ...
Degradação eletroquímica de compostos fenólicos usando eletrodo de diamante dopado com boro
(Universidade Federal de São Carlos, 2012-03-22)
The presence of organic compounds in industrial effluents is a serious environmental issue as well as for the human health, since most of those compounds are extremely toxic. The treatment of those effluents is done many ...
Catalisadores Ni/BaO-Al2O3 e Ni/BaO-SiO2 para reforma do metano com CO2
(Universidade Federal de São Carlos, 2012-04-26)
In this work the activity of nickel catalysts were appraised regarding the dry reforming of methane. Due to the low surface area, the catalysts were supported on SiO2 and Al2O3, in order to verify the effect of the support ...
Síntese da zeólita Beta usando planejamento experimental e emprego na isomerização do n-hexano
(Universidade Federal de São Carlos, 2012-09-14)
This work aimed to apply the Design Of Experiment (DOE) methodology as an auxiliary tool to evaluate the conditions of synthesis of the aluminum-rich zeolite Beta. Bimetallic catalysts with 50% platinum and 50% nickel ...
Monitoramento ambiental em uma escola da cidade de São Carlos - SP: ênfase em qualidade do ar interior
(Universidade Federal de São Carlos, 2012-02-29)
Over the last decades, a great deal of research has been conducted to find out more about indoor air quality (IAQ) problems and likewise there are some studies designed to measure environmental conditions linking health ...
Estudo da secagem de sementes de embaúba em leito fluidizado
(Universidade Federal de São Carlos, 2012-03-08)
Due to the importance of conservation of ecosystems and having Cecropia glaziovi.S as a pioneer species of the Tropical Forests, this plant becomes indispensable in reforestation areas altered wild. The drying operation ...
Desenvolvimento de ambiente integrado para simulação e otimização estática da produção de etanol a partir de bagaço de cana-de-açúcar por rota bioquímica
(Universidade Federal de São Carlos, 2012-02-23)
Sugarcane bagasse is an interesting option for second generation ethanol production. However, its use for this purpose is constrained by the energetic self-suficiency of the industrial plant, apart from the necessary ...
Avaliação das condições operacionais na taxa de evaporação de água em leito de jorro
(Universidade Federal de São Carlos, 2012-03-09)
In this work, the influence of operating conditions on the evaporation rate of water was analyzed for drying in a spouted bed. Experiments were done for two different inlet air geometries and inert particles loads for ...