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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 ...
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 ...
Análise de diferentes configurações do leito de jorro com agitador mecânico e do equipamento convencional
(Universidade Federal de São Carlos, 2022-03-24)
The mechanical spouted bed emerged as a modification of the conventional spouted bed
to minimize problems in the movement of solids and the need for high air flows just for
the existence of the spouting regimen. Therefore, ...
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 ...
Estudo da produção de pigmento por linhagem endofítica de Talaromyces minioluteus / Penicillium minioluteum em diferentes temperaturas
(Universidade Federal de São Carlos, 2018-02-26)
In view of the risks offered by synthetic pigments to humans and the environment, as well as
the growing global interest in healthier and more natural products, the study and interest in the
production and use of natural ...