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Catalisadores NiMo/γ-Al2O3 aditivados com Nb - Atividade para a hidrodessulfurização de tiofeno
(Universidade Federal de São Carlos, 2021-04-30)
The burning of fuels in the industry or in vehicle engines is a direct agent in the generation of the atmospheric pollution through the emission of contaminating gases such as NOx and SOx. To minimize this impact, environmental ...
Estudo do desempenho de eliminadores de névoa na fermentação alcoólica extrativa
(Universidade Federal de São Carlos, 2021-08-27)
The ethanol removal by gas stripping with CO2 offers a potential way to minimize the inhibitory effects of ethanol on yeast cells during the alcoholic fermentation, allowing higher ethanol volumetric productivity compared ...
Avaliação experimental de diferentes modos de operação de um biorreator de leito empacotado multicamadas para produção de celulases por cultivo em estado sólido
(Universidade Federal de São Carlos, 2021-02-26)
In the last years, the interest in solid state fermentation (SSF) for the most diverse applications have been increased due to the possibility of using agro-industrial residues and the low generation of wastewater. The ...
Leito fixo com reversão do ar de secagem: estudo experimental e numérico da secagem de Alumina
(Universidade Federal de São Carlos, 2021-02-26)
Drying is a high-energy consumption process with applications in several industrial areas. The necessity of efficient processes increases the development of control, monitoring and optimization systems. As an engineering ...
Avaliação de diferentes condições geométricas e operacionais de precipitadores eletrostáticos na coleta de nanopartículas
(Universidade Federal de São Carlos, 2021-02-22)
The development and optimization of equipment aimed at removing nanoparticles from atmospheric air have been gaining importance in the current scenario. The adverse effects of these ultrafine particles on human health and ...
Estudo de MOFs zeolíticas de imidazolato com Zn(II) e Co(II) e emprego na condensação de Knoevenagel
(Universidade Federal de São Carlos, 2021-05-26)
A new segment of porous materials has emerged last years: metal organic frameworks (MOFs). Zeolitic imidazolate frameworks (ZIFs), a subclass of MOFs, are formed by metallic cations and imidazolates presenting similar ...
Secagem convectiva da folha de Aroeira (Schinus terebinthifolius Raddi) em tambor rotativo com parede perfurada: influência das condições operacionais na preservação da cor e compostos bioativos
(Universidade Federal de São Carlos, 2021-08-26)
This study investigated drying aroeira (Schinus terebinthifolius Raddi) leaves in a rotating dryer with a perforated wall to evaluate the influence of operating conditions in the preservation of color, and bioactive compounds ...
Aproveitamento de CO2 para a produção de metanol e compostos C2+ aplicando catalisadores à base de Cu e Fe
(Universidade Federal de São Carlos, 2021-08-10)
Considering the approaches to use of the CO2, this work aimed to study CO2 hydrogenation at gas phase and CO2 reduction (CO2RR) via electrocatalysis. Through these methodologies a wide variety of value-added products can ...
Conversão de furfural sobre zeólitas (Hf, Al)-ZSM-5 hierárquicas: controle da relação de sítios ácidos de Lewis e Brønsted e seu efeito na seletividade a produtos
(Universidade Federal de São Carlos, 2021-04-29)
One-pot catalytic processes using heterogeneous acid catalysts have been a promising strategy for the valorization of platform molecules from lignocellulosic biomass, such as the transformation of furfural (Fur) to ...
Produção integrada de etanol 1G/2G utilizando meios industriais e leveduras recombinantes
(Universidade Federal de São Carlos, 2021-04-27)
Second generation (2G) ethanol is an alternative to increase the supply of this biofuel without expanding the sugarcane plantation area and to utilize the excess of sugarcane bagasse available in Brazil due to the intense ...