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Now showing items 11-20 of 32
Modelagem e análise experimental do escoamento de esferas macias em fluidos viscosos: estudo de colisões partícula-partícula e partícula-superfície e da interação partícula-fluído
(Universidade Federal de São Carlos, 2020-02-20)
Solid-fluid flows are widely used in chemical, biochemical, food and petroleum processes. These include crystallization and sedimentation steps, hydrometallurgical operations, backwashing of granular filters, adsorption ...
Determinação experimental de parâmetros de interação e aplicação na simulação CFD-DEM de leito de jorro
(Universidade Federal de São Carlos, 2020-02-19)
Spouted beds feature the intense mixture of solids, which favors the mechanisms of heat and mass transfer. The understanding of these phenomena is associated with the difficult to obtain details of fluid dynamics by the ...
Solubilização biológica de rocha potássica para aplicação como biofertilizante
(Universidade Federal de São Carlos, 2020-02-18)
Potassium (K) plays an important role in several biochemical and physiological processes in plants, but the low concentrations of soluble K in the soil make it necessary to use chemical fertilizers in order to supply the ...
Modificação de filtros de ar condicionado com nanopartículas de cobre com efeito biocida para ambientes indoor rooms
(Universidade Federal de São Carlos, 2020-08-07)
Filter media, as used in air conditioning system, are the first physic barrier between external environment and indoor rooms. To avoid the contamination in indoor rooms, one preventive measure is to contain the proliferation ...
Transesterificação de ésteres etílicos e estudo cinético usando a sílica CTA-MCM-41
(Universidade Federal de São Carlos, 2020-02-28)
The synthesis of biodiesel, through transesterification, occurs industrially in the presence of basic homogeneous catalysts, where others steps are necessary, such as washing and neutralization of the final product due to ...
Análise da viabilidade técnica e econômica da integração do processo de recuperação de etanol por arraste (stripping) com CO2 na indústria sucroenergética
(Universidade Federal de São Carlos, 2021-04-29)
Brazil is the world's largest sugarcane ethanol producer which puts the country in a stand-out position among the bioenergy producers. Ethanol is an important biofuel in the renewable energy matrix. In 2017, the Brazilian ...
Precoating: uma alternativa mais econômica para melhorar a performance dos meios filtrantes em filtros de mangas da indústria siderúrgica
(Universidade Federal de São Carlos, 2021-04-16)
The emission of particulate matter into the atmosphere is a concern because of its environmental and human health impacts. Among the equipment used in the control of particulate material, the bag filter stands out, with a ...
Determinação do equilíbrio sólido-líquido de princípios ativos farmacêuticos
(Universidade Federal de São Carlos, 2021-02-22)
Solubility is one of most important property to produce active pharmaceutical ingredients (APIs), beyond of being related to its bioavailability. In this context, it was determined paracetamol and nicotinamide solid-liquid ...
Avaliação de processo em secador solar direto assistido por módulo fotovoltaico: aplicação para secagem de alimentos
(Universidade Federal de São Carlos, 2021-02-19)
Among the thermal sources that can be used for drying food, solar energy has as its main
advantage being abundant, renewable and not monopolized. The simultaneous use of solar
radiation and forced convection air drying ...
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 ...