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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 ...
Efeito das condições de preparação da [CTA+]-SiMCM-41 na atividade da transesterificação
(Universidade Federal de São Carlos, 2010-02-26)
The hybrid [CTA+]-SiMCM-41 mesoporous material (where CTA+ is the cetyltrimethylammonium cation) was employed as synthesized in the transesterification reaction between ethyl acetate and methanol. This is a model reaction ...
Caracterização e secagem de sementes de painço (Setaria italica L.)
(Universidade Federal de São Carlos, 2010-08-20)
In this work were determined the main physicochemical properties of seeds of millet (Setaria italica) and their dependence on the moisture content. The drying of seeds under different conditions was also evaluated in order ...
Otimização do cultivo de Bacillus megaterium recombinante em bateladas alimentadas
(Universidade Federal de São Carlos, 2010-03-31)
Penicillin Acylases are enzymes of great industrial importance, being used mainly for production of 6-aminopenicillanic acid, 6-APA from penicillin G. In the late 90's, its use for synthesis of β-lactam semisynthetic ...
Determinação experimental da força de adesão entre partículas e meios filtrantes constituídos de celulose
(Universidade Federal de São Carlos, 2010-05-07)
The influence of particle size, compression velocity, and of the material constituting the substrate on adhesion force between particle and substrate was investigated in this study. The centrifuge technique was applied for ...
Efeito da velocidade ascensional na produção de hidrogênio em reator anaeróbio de leito fluidizado
(Universidade Federal de São Carlos, 2010-08-30)
This study evaluated the influence of the upflow velocity in anaerobic fluidized bed reactor to produce hydrogen. In order to compare that effect, four reactors were used under different upflow velocities each: 0.30; 0.60; ...
Catalisadores bimetálicos Pt-Fe/CeO2 para a reação de oxidação preferencial do CO
(Universidade Federal de São Carlos, 2010-03-31)
The objective of this work is to study the preferential oxidation (PROX) of carbon monoxide in H2-rich feed streams over Pt-Fe/CeO2 catalysts in a feed gas composed of 3% CO, 1.5% O2, 80% H2, and N2 (for balance). The ...
Transferência de massa em reator eletroquímico de carbono vítreo reticulado
(Universidade Federal de São Carlos, 2010-03-02)
In this work, the electrodeposition of toxic metals, copper and zinc in this case, onreticulated vitreous carbon (RVC) electrode was studied. The effect of EDTA presence on thecopper electrodeposition process was also ...
Secagem de pimenta dedo-de-moça (Capsicum baccatum var. pendulum) em secador convectivo horizontal
(Universidade Federal de São Carlos, 2010-05-28)
The cultivation of pepper is widespread in Brazil since its colonization. This plant, besides being much appreciated in the cuisine has proven pharmacological effects such as lowering cholesterol, inhibiting appetite and ...
Síntese e caracterização de catalisadores de Pt suportados em Sm2O3-CeO2-Al2O3 aplicados à reações de reforma do metano
(Universidade Federal de São Carlos, 2010-02-25)
The effect of the preparation method of the Pt/12Sm2O3-Al2O3 catalysts and the effect of the content of the oxides promoters in the Pt/xSm2O3-yCeO2-Al2O3 catalysts on the properties and catalytic behavior in the reaction ...