Buscar
Mostrando ítems 11-20 de 34
Síntese de compostos C2+ a partir de CO2 e H2O aplicando materiais de Cu e Cu-Zn: estudos na catálise heterogênea em fase gasosa e eletrocatálise
(Universidade Federal de São Carlos, 2020-08-25)
Strategies aimed at recycling of CO2 in producing chemicals and fuels are needed to reduce the environmental impacts caused by this gas and attend the industrial interests. Among the all applied strategies, we highlight ...
Esterificação de glicerol com ácido benzoico sobre zeólitas H-ZSM-5 hierárquicas incorporadas com Zr ou Nb
(Universidade Federal de São Carlos, 2020-03-19)
Acid zeolites are microporous aluminosilicates, which exhibit negative charged AlO4- tetrahedrons in its lattice balanced by protons (H+), generating Brønsted acid sites (BAS). The Lewis acidity of zeolites is commonly ...
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 ...
Energy consumption and reaction rate optimization combining turbulence promoter and current modulation for electrochemical mineralization
(Universidade Federal de São Carlos, 2021-02-23)
In the current world scenario, one of the environmental and public health problems that still needs a more efficient intervention is the pollution caused by industrial effluents containing toxic organic compounds, typically ...
Biofertilizantes como reatores em grânulo: sistemas carreadores com Aspergillus niger e Trichoderma asperelloides para ações no controle biológico, promoção do crescimento de plantas e solubilização de fósforo
(Universidade Federal de São Carlos, 2021-10-14)
In recent years, the importance of microorganisms role in maintaining agricultural productivity has been highlighted, being essential in cycling nutrients and production of metabolites to contribute to plant growth and ...
Produção enzimática de compostos de valor agregado a partir do destilado da desodorização do óleo de soja
(Universidade Federal de São Carlos, 2021-08-27)
The use of by-products (or residues) is sought in an industrial process in order to transform them into a value-added product. In the soybean oil refining industry, deodorization distillate (SODD) is a by-product with great ...
Rational design and engineering of a microbial cell factory for 3-hydroxypropionic acid production
(Universidade Federal de São Carlos, 2021-04-20)
The US Department of Energy ranked the 3-hydroxypropionic acid (3-HP) among the Top 10 most promising value-added chemicals that can be derived from biomass in a biorefinery. This acid has great potential to serve as a ...
Conversão de furfural sobre zeólitas (Hf, Al)-ZSM-5 hierárquicas: controle da relação de sítios ácidos de Lewis e Brønsted e seu efeito na seletividade a produtos
(Universidade Federal de São Carlos, 2021-04-29)
One-pot catalytic processes using heterogeneous acid catalysts have been a promising strategy for the valorization of platform molecules from lignocellulosic biomass, such as the transformation of furfural (Fur) to ...
Estudo da secagem da polpa do abacate (Persea americana)
(Universidade Federal de São Carlos, 2021-04-26)
The drying process can be carried out by different methods, but the choice directly influences the quality of the final product, which can obviously be affected by operational conditions. This work aims to study the drying ...
Fluidodinâmica e transferência de calor em leitos de jorro visando a secagem de grãos de Sorgo: análise experimental e simulação numérica por CFD-DEM e TFM
(Universidade Federal de São Carlos, 2021-04-23)
Simulations of granular flows in spouted beds are carried out following two main approaches: two-fluid model (TFM) and CFD-DEM coupling (Computational Fluid Dynamics/Discrete Element Method). Moreover, the fluid dynamics ...