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Determinação da cinética de cristalização em diferentes escalas visando o projeto de cristalizador em batelada utilizando o sistema monopentaeritritol-água como modelo
(Universidade Federal de São Carlos, 2007-05-04)
Previous studies on crystallization as an industrial process have been
frequently limited to just one aspect of the process. They usually study
parameter optimization or a method for monitoring solution or suspension,
...
Reforma autotérmica do metano: estudo do Processo e de catalisadores
(Universidade Federal de São Carlos, 2005-05-07)
The study of the autothermal reforming of methane over Ni/γ-Al2O3 catalyst, promoted with noble metals was the objective of this work.
In the first part, the stability to coke deposition of the autothermal reforming was ...
Inovações na produção de antibióticos β-lactâmicos
(Universidade Federal de São Carlos, 2009-04-02)
The industrial production of 6-APA includes: (1) cultivation of Penicillium chrysogenum; (2) extraction with organic solvents, (3) crystallization; (4) penicillin hydrolysis by immobilized penicillin acylase; (5) extraction ...
Influência das condições de alimentação de glicerol e ornitina na produção de ácido clavulânico por Streptomyces clavuligerus
(Universidade Federal de São Carlos, 2008-03-26)
The clavulanic acid (CA) is a powerful inhibitor of β-lactamases, enzymes that clives the β-
lactam ring of penicillins and cephalosporins, inactivating these compounds. CA is
traditionally produced by Streptomyces ...
Inferência de variáveis do processo de produção de penicilina G acilase por Bacillus megaterium ATCC-14945.
(Universidade Federal de São Carlos, 2003-07-27)
The enzyme penicillin G acylase (E.C.3.5.1.11) is used in the production of 6-aminopenicillanic acid (6-APA) and 7-aminocephalosporinic acid (7-ACA), which are key intermediates for the production of β-lactam antibiotics. ...
Catalisadores de Pt suportados, obtidos pelo método solgel : efeito do cério na atividade e estabilidade nas reações de reforma do metano
(Universidade Federal de São Carlos, 2009-12-11)
The effect of Ce as a structural and electronic promoter on the activity and stability of Pt catalysts supported on Al2O3 for methane reforming reactions were investigated to elucidate the metal-support interaction. Pt/Al2O3 ...
Investigação do efeito de injeção de líquido por orifícios múltiplos na formação de gotas em um lavador Venturi
(Universidade Federal de São Carlos, 2009-02-20)
Venturi scrubbers are widely used in industrial plants in the cleaning of gases. In these scrubbers, the cleaning elements are the droplets formed at the injection of a liquid in the gas
containing pollutants. The droplets ...
Análise da secagem de pastas em leito de jorro
(Universidade Federal de São Carlos, 2009-03-09)
The objective of this Doctoral Thesis was to analyse the fluidynamics and the heat and mass transfer of paste drying in a spouted bed under transient operation and to obtain
detailed experimental data on the disturbed ...
Características temporais da concentração de material particulado na atmosfera da cidade de São Carlos - SP
(Universidade Federal de São Carlos, 2009-03-19)
The city of São Carlos, of medium size of São Paulo State, can be considered as representative of the Brazilian Southeast area, with agricultural activities practically equivalent to the industrial ones. As part of that ...
Secagem de sementes de gramíneas (Brachiaria brizantha) em leito fluidizado
(Universidade Federal de São Carlos, 2008-12-05)
Drying operation is an important stage of the processing that precedes the storage of seeds, since that with low moisture contents, these can retain their power of germination and other qualities for long periods. The ...