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Proteína de soja como aditivo na sacarificação enzimática da biomassa vegetal: desenvolvimento e análise tecno-econômica do processo
(Universidade Federal de São Carlos, 2019-02-28)
The implementation of the biochemical conversion process of lignocellulosic biomass into biofuels and other bioproducts still have some technological challenges to be overcome, such as low yield of the enzymatic hydrolysis ...
Bioadsorção dos inibidores gerados no pré-tratamento da biomassa lignocelulósica em biorrefinarias
(Universidade Federal de São Carlos, 2020-04-29)
In the pretreatment stage of lignocellulosic biomass in biorefineries can release compounds that act as inhibitors of the enzymatic hydrolysis and alcoholic fermentation steps. Among the inhibitors, the phenolic compounds ...
Obtenção e caracterização de levedura recombinante com elevada tolerância a etanol por engenharia evolutiva
(Universidade Federal de São Carlos, 2019-02-22)
The utilization of the hemicellulosic fraction of the biomass is important for the economic viability of the industrial production process for second generation bioethanol. Wild strains of Saccharomyces cerevisiae do not ...
Avaliação de modelos matemáticos para a simulação do escoamento água – ar na flotação por ar dissolvido utilizando fluidodinâmica computacional
(Universidade Federal de São Carlos, 2018-02-21)
The concern with the future of water on the planet has increased in past years, mainly due to the recent water crisis suffered throughout the country. The dissolved air flotation (DAF) operation is an example of the ...
Aspectos morfológicos, reológicos e fisiológicos dos cultivos de Escherichia coli recombinante
(Universidade Federal de São Carlos, 2015-04-30)
The use of Escherichia coli cultures to obtain heterologous proteins poses as a successful application of biotechnology for the production of drugs and enzymes. However, the stress caused by the synthesis of the recombinant ...
Avaliação técnica da gaseificação do bagaço de cana-de-açúcar em reator contínuo de leito fluidizado
(Universidade Federal de São Carlos, 2020-02-19)
The sugar and alcohol sector introduces a big potential to expand the production lines of ethanol, sugar and clean electric energy with a profitable harnessing of its residues and sub products, like sugar cane bagasse. The ...
Preparação e caracterização do catalisador óxido misto de cobre-zinco-alumínio, obtido via complexação (processo citrato), para a transformação do etanol a acetato de etila
(Universidade Federal de São Carlos, 1991-07-02)
Cu-Zn-Al mixture oxides catalysts with atomic ratios r-Cu/Zn=3,0 and R=Cu+Zn/Al=1,2 were obtained by means of citric complexing method. The influence of citric acid content was studied varying P=(eq.citric acid/Eq.metal) ...
Propriedades de sílicas híbridas obtidas por co-condensação com HDTMS e TPOAC
(Universidade Federal de São Carlos, 2016-02-19)
The master degree work presented is a result of a research conducted together with
a group, which has worked on the modification of the synthesis CTA-MCM-41, that silica
belongs to the mesoporous materials family (composed ...
Oxidação de monóxido de carbono sobre catalisadores à base de ferro ou manganês suportados ou trocados em zeólitas H-mordenita ou Ce-mordenita
(Universidade Federal de São Carlos, 2015-02-18)
The fluid catalytic cracking (FCC) is one of the most important process in the petroleum refining industry, being responsible for the increase of the yield of the most valuable light hydrocarbons. On the other hand, the ...
Modelagem e análise experimental do escoamento de esferas macias em fluidos viscosos: estudo de colisões partícula-partícula e partícula-superfície e da interação partícula-fluído
(Universidade Federal de São Carlos, 2020-02-20)
Solid-fluid flows are widely used in chemical, biochemical, food and petroleum processes. These include crystallization and sedimentation steps, hydrometallurgical operations, backwashing of granular filters, adsorption ...