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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 ...
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 ...
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 ...
Immobilization of enzymes of agroindustrial interest on hydroxyapatite nanoparticles: β-glucosidase, xylase and phytase
(Universidade Federal de São Carlos, 2020-03-10)
Industrial processes are increasingly requiring environmentally sustainable technologies and the use of enzymes is relevant due to the selectivity and specificity of these biocatalysts. However, the application of soluble ...
Niobium-based oxides for oxidative and reductive photocatalytic reactions
(Universidade Federal de São Carlos, 2020-02-21)
It is growing the number of studies related to alternative technologies allowing both, environmental remediation and clean energy production. In this sense, photocatalysis is a promising process, since it is sustainable ...
Evaluation of filter media with fiber layer produced by the centrifugal spinning method with biocidal effect
(Universidade Federal de São Carlos, 2020-03-12)
This study aimed to evaluate the air filtration performance of the fiber layer, produced by centrifugal spinning equipment, adhered to the surface of a commercial filter media applied to the internal ventilation system. ...
Operação ótima de reator para síntese enzimática de ampicilina com cristalização simultânea dos produtos
(Universidade Federal de São Carlos, 2007-03-05)
Nowadays, industrial production of semi-synthetic penicillins requires low
temperatures, organochloride solvents and yields a great amount of non-recyclable wastes.
During the last decades, concerns about environmental ...
Modelagem matemática do processo de secagem, por convecção forçada, de sistemas simuladores de alimentos esféricos e deformáveis
(Universidade Federal de São Carlos, 2007-09-05)