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Now showing items 11-20 of 51
Isomerização do n-Hexano por platina suportada na zeólita H-ZSM-5 : efeito do teor de alumínio
(Universidade Federal de São Carlos, 2011-08-01)
The objective of this study was to verify the influence of the Si/Al ratio (11.5, 15.0, 25.0, 40.0 and 140.0) in zeolite ZSM-5 in the conversion, activity, selectivity and stability as bifunctional catalysts (Pt/H-ZSM-5) ...
Simulação da perda de carga e da eficiência de coleta em ciclones através da fluidodinâmica computacional (CFD)
(Universidade Federal de São Carlos, 2009-08-05)
El objetivo del presente trabajo fue simular la descarga de un flujo compuesto por fases gaseosa y solida dentro de un equipo denominado ciclón mediante la técnica numérica denominada Fluido dinámica computacional (CFD). ...
Formação de acetato de etila a partir do etanol sobre catalisadores de Cu/ZrO2: efeito da carga de cobre nas propriedades físicas e catalíticas
(Universidade Federal de São Carlos, 2010-03-10)
The ethanol dehydrocoupling in ethyl acetate distinguishes among the reactions of alcohol transformation in products with higher added value. Due to the possibility of obtaining ethanol from biomass in Brazil, the production ...
Estudo da geração de nanopartículas a partir da atomização de soluções de cloreto de sódio
(Universidade Federal de São Carlos, 2010-02-22)
Particles of nanometric dimensions are subjected, in recent years, to extensive research all over the world, not only for the possible risks that they cause when inhaled, but also for the wide range of applications and ...
Estudo cinético da hidrólise enzimática de celulose de bagaço de cana-de-açúcar
(Universidade Federal de São Carlos, 2011-03-28)
This work presents a kinetic study of the enzymatic hydrolysis of three cellulosic substrates: filter paper (FP), used as a de-lignified substrate model; sugarcane bagasse (SB) steam exploded; and acid treated SB, the last ...
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 ...
Aplicação da fluidodinâmica computacional (CFD) no estudo do escoamento de ar e deposição de partículas em vias aéreas pulmonares
(Universidade Federal de São Carlos, 2014-02-28)
The industrialization process and the fast growth of cities lead to an increase of respiratory diseases and, therefore, lead to the beginning of studies involving particle deposition in human lung airways. This work used ...
Análise do desempenho do leito vibrofluidizado na secagem de pasta
(Universidade Federal de São Carlos, 2017-05-05)
The agitation promoted by the vibrofluidized bed allows the incorporation of several unitary operations such as granulation, coating of particle, drying of grains, and the drying of pasty materials. However, it is necessary ...
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, ...
Produção de penicilina G acilase por organismos geneticamente modificados
(Universidade Federal de São Carlos, 2013-09-17)
Penicillin G acilase (PGA) is a key enzyme in the industrial production of β-lactamic antibiotics. In this work, it was studied the production of PGA from Escherichia coli by recombinant E. coli and from Bacillus ...