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Now showing items 171-180 of 285
Nanopartículas de Pt suportadas em Al2O3 e CeO2-Al2O3: síntese e caracterização de catalisadores aplicados à reação de deslocamento gás-água
(Universidade Federal de São Carlos, 2011-04-28)
Colloidal Pt nanoparticles were synthesized according to an adapted procedure from Song and co-workers [1], which it was based on the reduction of dihydrogen hexachloroplatinate by ethylene glycol in a basic solution, but ...
Operação periódica de um leito gotejante de carvão ativado para redução da emissão do poluente atmosférico SO2 com geração de ácido sulfúrico.
(Universidade Federal de São Carlos, 2003-06-23)
A laboratory-scale investigation of SO2 scrubbing was carried out in a 77.92mm (diameter) × 80.00mm trickle bed with 2.00-2.36mm activated carbon particles using continuous and periodically interrupted liquid flows. The ...
Desempenho de meios filtrantes na filtração de gases a altas pressões
(Universidade Federal de São Carlos, 2011-09-21)
The presence of residue in the transport of natural gas in pipelines may result in numerous losses for the gas companies, such as obstruction of measuring equipment, decrease in product quality, and reduction in the lifetime ...
Incorporação de titânio na peneira molecular Mor e suas propriedades.
(Universidade Federal de São Carlos, 2003-08-14)
The titanium incorporation in the MFI structure generated a new material, called TS-1, which showed highly active in oxidation reactions of organic compounds. A very important aspect in this titanium-silicate is that it ...
Estudo da alimentação de sólidos em sistemas de transporte pneumático
(Universidade Federal de São Carlos, 2011-03-03)
One of the most important parts in a pneumatic conveying is the solids feeding system due its complexity fluid dynamic, besides affecting the operational stability, economical and technical feasibility and system efficiency. ...
Estudo do desempenho de um precipitador eletrostático operando na captura de partículas submicrométricas e nanométricas.
(Universidade Federal de São Carlos, 2005-05-24)
The removal of submicron particles from gaseous streams is becoming an
increasingly important operation, both in industrial (nanotechnology) as well as in
occupational (inhalation of particula te matter) applications. Among ...
Estudo do processo de produção de ácido clavulânico por Streptomyces clavuligerus em cultivos contínuos com alta concentração celular.
(Universidade Federal de São Carlos, 2004-11-29)
The use of β-lactamase inhibitor in conjunction with β-lactam antibiotics was proposed to improve the efficiency of these antibiotics. The clavulanic acid is an important inhibitor of β-lactamase due its ...
Contribuição ao estudo de controle plantwinde: controle indireto e coordenação de controladores descentralizados.
(Universidade Federal de São Carlos, 2005-03-28)
The design of plantwide control systems has received increasing attention in the last years. The modern chemical plants usually consist of hundreds of
interconnected elementary processes and unit operations (large scale ...
Contribuição ao estudo dos mecanismos envolvidos na aglomeração esférica de sólidos em suspensão.
(Universidade Federal de São Carlos, 2004-12-13)
This work was developed with the objective of to improve the state of the technique of spherical agglomeration of solids in suspension and to promote a progress in the necessary knowledge for its exploration in larger ...
Contribuições para a análise do comportamento fluidodinâmico de um leito vibrofluidizado.
(Universidade Federal de São Carlos, 2005-11-25)
Vibro-fluidized beds with inert particles as fluidizing medium have been appearing as an innovative technique for drying of suspensions and pastes. Aiming to contribute for the comprehension of phenomena involved in such ...