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Now showing items 11-20 of 25
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 ...
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 ...
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 ...
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 ...
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 ...
Avaliação de diferentes condições geométricas e operacionais de precipitadores eletrostáticos na coleta de nanopartículas
(Universidade Federal de São Carlos, 2021-02-22)
The development and optimization of equipment aimed at removing nanoparticles from atmospheric air have been gaining importance in the current scenario. The adverse effects of these ultrafine particles on human health and ...
Produção integrada de etanol 1G/2G utilizando meios industriais e leveduras recombinantes
(Universidade Federal de São Carlos, 2021-04-27)
Second generation (2G) ethanol is an alternative to increase the supply of this biofuel without expanding the sugarcane plantation area and to utilize the excess of sugarcane bagasse available in Brazil due to the intense ...
Efeito do método de preparação do catalisador na decomposição do metano
(Universidade Federal de São Carlos, 2021-04-28)
The catalytic decomposition of methane reaction as is an alternative for the production of hydrogen and carbon nanomaterials, being considered a COx free route. The transition metals Ni, Fe, and Co are the most used as ...