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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 ...
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 ...
Análise térmica da fermentação alcoólica convencional e extrativa com arraste por dióxido de carbono
(Universidade Federal de São Carlos, 2020-02-18)
Extractive fed-batch ethanol fermentation using carbon dioxide (CO2) as striping gas has several advantages compared to the conventional fermentation, such as: reducing the effect of ethanol inhibition, allowing to use ...
Precipitador eletrostático: influência das condições operacionais e dos eletrodos de descarga na eficiência de remoção de nanopartículas
(Universidade Federal de São Carlos, 2020-02-18)
The industrial activities are the main cause of the particulate material emission, which results in the elevation of air pollution indices and respiratory diseases. One of the most common types of equipment to reduce emitted ...
Avaliação da secagem convectiva de resíduos da indústria cervejeira
(Universidade Federal de São Carlos, 2020-03-05)
Brazil is the third largest beer producer in the world, with an estimated production of 14.1 billion liters of the product for the year 2018, generating several co-products throughout the process, being brewer’s spent grain ...
Modelagem e simulação da produção de biossurfactante em biorrefinaria integrada biodiesel-bioetanol
(Universidade Federal de São Carlos, 2020-03-02)
Biosurfactants are amphipathic molecules produced by enzymatic or microbiological routes. Biosynthesis can occur by esterifying sugars with fatty acids, with lipase as the main enzyme that catalyzes the reaction. However, ...
Síntese de hidróxido duplo lamelar: efeitos do processo de secagem
(Universidade Federal de São Carlos, 2020-02-20)
Because of its chemical versatility, ionic exchange and regeneration capacity, Layered Double Hydroxides (LDHs), have recently been recognized as a promising material due to their many application areas. Drying is an ...
Produção de γ-valerolactona a partir de furfural sobre zeólitas Hf/Al-beta – efeito da relação de sítios ácidos de Lewis e Brønsted
(Universidade Federal de São Carlos, 2020-03-19)
Lignocellulosic biomass has been used as a sustainable alternative to organic derivatives of fossil origin for the production of intermediates and chemicals with higher added value. In this context, γ-valerolactone (GVL), ...
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 ...
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 ...