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Now showing items 91-100 of 105
Produção de meios filtrantes a partir de garrafas PET recicladas para aplicações em filtração de ar com alta eficiência de coleta de nanopartículas através da técnica de Electrospinning
(Universidade Federal de São Carlos, 2021-07-29)
Air pollution and solid pollution are considered global problems, and endanger human health mainly due to the improper disposal of solid wastes, as the post-consumer plastic botlles.. The filtration process using fibrous ...
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 ...
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 ...
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 ...
Catalisadores Ni/SBA-15 com adição dos promotores aplicados a tri reforma do metano
(Universidade Federal de São Carlos, 2021-10-27)
Tri-reforming of methane (TRM) is a combination of steam and dry reforming and partial oxidation of methane reactions in the same reactor. Since it occurs at high temperatures and has water vapor in the reactor feed, TRM ...
Influência do agente precipitante na síntese de catalisadores Cu-ZrO2 aplicados na conversão de glicerol a acetol e propilenoglicol
(Universidade Federal de São Carlos, 2021-07-23)
Biodiesel production by transesterification reaction generates large amounts of glycerol as a by-product. The development of chemical routes to use glycerol as raw material for products with high added value is essential ...