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Now showing items 341-350 of 389
Catalisadores de Ni suportados em óxidos sintetizados com líquido iônico: atividade catalítica na tri-reforma do metano
(Universidade Federal de São Carlos, 2019-04-11)
Tri-reforming reaction is a new method to use and convert CO2 from industrial plants effluents. The tri-reforming involved reactions are two endothermic reactions, the steam and dry reforming and the partial methane oxidation ...
Estratégias de melhoria do bioprocesso de produção de enzimas celulolíticas por Aspergillus niger a partir de bagaço de cana-de-açúcar para a produção de etanol de segunda geração
(Universidade Federal de São Carlos, 2015-03-05)
The second generation ethanol (2G) production from sugarcane bagasse is a promising
strategy to increase ethanol production per hectare. The 2G ethanol production comprises the steps of biomass pretreatment, hydrolysis ...
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 ...
Estudo sobre o desempenho de válvulas não-mecânicas como alimentadores de biomassa residual de borra de café em reatores de leito pneumático circulante: experimentação e modelagem via CFD-TFM
(Universidade Federal de São Carlos, 2020-08-24)
The continuous and stable feeding of particulate solids to reactors is essential for energy cogeneration in industrial processes, for example, by using biomass residues. Nevertheless, flow instabilities and blockage of ...
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 ...
Esterificação de glicerol com ácido benzoico sobre zeólitas H-ZSM-5 hierárquicas incorporadas com Zr ou Nb
(Universidade Federal de São Carlos, 2020-03-19)
Acid zeolites are microporous aluminosilicates, which exhibit negative charged AlO4- tetrahedrons in its lattice balanced by protons (H+), generating Brønsted acid sites (BAS). The Lewis acidity of zeolites is commonly ...
Compreendendo a reação ‘step-wise’ de conversão de metano a metanol usando zeólitas trocadas ionicamente com cobre
(Universidade Federal de São Carlos, 2020-03-06)
Methane (CH4) is a stable molecule abundantly found on our planet with reserves even
greater than crude oil. Due to its high availability and environmental impacts caused by
its emission into the atmosphere, the development ...
Análise do material particulado na área central da cidade de São Carlos-SP através de técnicas espectroanalíticas e avaliação multidimensional de séries temporais
(Universidade Federal de São Carlos, 2019-05-23)
Due to the worldwide trend of industrialization and urbanization, air pollutants are emitted large
quantities on a global scale, particularly in developing countries, which produces adverse
effects on human health by ...
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 ...