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Reforma a vapor do etanol sobre catalisadores de Ni e Co suportados
(Universidade Federal de São Carlos, 2004-08-17)
The Ni and Co catalysts supported on Al2O3 and 12%La-Al2O3 and the carrier 12%La-Al2O3 were prepared by impregnation of the support with an aqueous solution of corresponding nitrates metals. The catalysts were characterized ...
Estudo da transferência de calor e de massa em um leito fixo espesso de grãos de sorgo com reversão de sentido do escoamento de ar
(Universidade Federal de São Carlos, 2022-03-31)
Drying is one of the highest cost unit operations in the chemical industry, with complex momentum, heat and mass transfer mechanisms. The main objective of this work was to develop a systematic study on thick layer drying, ...
Avaliação de meios filtrantes com diferentes técnicas de fabricação em filtros de mangas
(Universidade Federal de São Carlos, 2022-04-26)
Air pollution by particulate matter has been the subject of study by many researchers,
where they report that these particles can penetrate through the bloodstream causing
serious health problems. To reduce the negative ...
Catalisadores de Cr/ZrO2 promovidos com metais alcalinos ou alcalinos terrosos para a desidrogenação oxidativa do propano com CO2
(Universidade Federal de São Carlos, 2021-04-27)
Propene is used as a raw material for thermoplastic resins, adhesives and acrylic derivatives, being obtained mainly by steam cracking naphtha and natural gas. However, the oxidative dehydrogenation of propane reaction ...
Projeto, construção, testes e operação de um extrator de óleos vegetais
(Universidade Federal de São Carlos, 2006-03-02)
Brazil is a rich country in biodiversity holding a great variety of plants,
being one of the main constituents - oil that has been searched by the industries,
especially, pharmaceutic, food and cosmetic. Among the plants ...
Avaliação técnico-econômica da produção de metanol a baixas temperaturas pela oxidação parcial do metano
(Universidade Federal de São Carlos, 2022-02-25)
Large volumes of natural gas (NG) are released or flared on oil platforms, emitting mainly methane, carbon monoxide, and carbon dioxide. These greenhouse gases (GHG) represent an environmental and health hazard. In this ...
Avaliação da viabilidade do uso de redes neurais artificiais para o desenvolvimento de um softsensor de biomassa de microalgas em fotobiorreator
(Universidade Federal de São Carlos, 2022-02-21)
Microalgae are natural sources of biomass, unsaturated fatty acids, carotenoids, xanthophylls, vitamins, proteins, minerals and enzymes; compounds of great commercial importance. Furthermore, since biofuels have become a ...
Desenvolvimento de um secador de bandejas para a secagem de folhas medicinais e análise da secagem de ramos de barbatimão (Stryphnodendron adstringens)
(Universidade Federal de São Carlos, 2022-03-28)
Barbatimão bark (Sryphnodendron adstringens) has been used in folk medicine for years to treat many diseases. Recently, studies indicated the potential of barbatimão leaf extract as a chemopreventive agent and as a promising ...
Oxidação de metano a metanol sobre zeólitas Cu.MOR: efeito do método de preparação na atividade catalítica
(Universidade Federal de São Carlos, 2019-03-14)
The direct oxidation of methane to higher value-added products, such as methanol, has gained notable interest in recent times. The challenge is that this process occurs with high efficiency and lower energy consumption, ...
Monitoramento da hidrólise enzimática de bagaço de cana-de-açúcar por métodos espectrofotométricos
(Universidade Federal de São Carlos, 2020-02-23)
The production process of 2nd generation ethanol (2G), using sugarcane bagasse, is a promising way to increase ethanol production without increasing the cultivation area. However, the process has been studied to become ...