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Itens para a visualização no momento 11-20 of 25
Metodologias não convencionais na extração de compostos bioativos de casca de bergamota
(Universidade Federal de Santa Maria, 2019-11-08)
Citrus fruits, produced in large quantities in Rio Grande do Sul, have been highlighted by the high
content of bioactive compounds they present. These components can be extracted from the residues
generated ...
Fermentação em estado sólido assistida por ultrassom para a produção de enzimas de degradação de parede celular
(Universidade Federal de Santa Maria, 2019-08-05)
The agro-industry waste is low cost, high availability and it can be transformed into products of important economic value. The biotransformation of these substrates into compounds with an aggregated value from the solid-state ...
Modelagem cinética da reação de conversão de etanol em butanol com catalisadores de mg/al derivados de hidrotalcitas
(Universidade Federal de Santa Maria, 2019-03-26)
Butanol has been suggested as possible substitute of gasoline or to be used as fuel additive. At the moment, its main production route is from fossil raw material, allowing renewable routes from bioetanol to be studies, ...
Recuperação de neodímio a partir de fontes secundárias utilizando ácidos orgânicos e CO2 supercrítico
(Universidade Federal de Santa Maria, 2019-11-28)
Technological innovation has brought with it a number of electro-electronic equipment, but its
disposal has been faster, making these wastes a concern, as to their destination and the supply
of raw materials. These ...
Análise da eficiência de extratos vegetais para aplicação como inibidores de corrosão
(Universidade Federal de Santa Maria, 2019-03-27)
Naturals inhibitors can be obtained through vegetable extracts or biomass sources, contributing to attenuate
the oxidative process, reducing the corrosion and being an alternative ecofriendly. Recent researches, ...
Recuperação seletiva de índio a partir da técnica de extração em fase sólida utilizando nanofibras com DEHPA
(Universidade Federal de Santa Maria, 2019-02-21)
The main objective of this work was to develop a nanomaterial able to selectively extract and
recover indium (In) from obsolete cell phone LCD screens. For this, Nylon 6 nanofibers were
produced and modified with ...
Síntese e aplicação do compósito geopolímero/Fe3O4 como adsorvente magnético para a remoção de contaminante orgânico em efluente líquido
(Universidade Federal de Santa Maria, 2019-07-31)
Accompanying population growth, industries, in addition to supplying the needs of the population, have become one of the main sources of environmental contamination, with the textile sector being the main responsible for ...
Reciclagem de cabos coaxiais e lâmpadas de LED aplicando operações de processamento mecânico
(Universidade Federal de Santa Maria, 2019-08-02)
Technological development, although linked to quality of life improvement, results in the increase of waste electrical and electronical equipment, which cables and LED bulbs are part of. Thus, new approaches towards recycling ...
Síntese e caracterização do compósito SnFe2O4/polipirrol para utilização na degradação do corante tartrazina via processo foto-fenton
(Universidade Federal de Santa Maria, 2019-07-22)
One of the major concerns with the environment and aquatic life is related to the discharge of
effluents containing synthetic dyes. Among the most used synthetic dyes is tartrazine, a lemon
yellow azo dye, used in the ...
Desenvolvimento de prato perfurado sem downcomer com geometria fractal: avaliação fluidodinâmica e ambiental
(Universidade Federal de Santa Maria, 2019-12-16)
Distillation columns are classified as tray column, packing or mixed (hybrid)
depending of tower internal type placed inside. Tray internals are classified in with or
without downcomer and the simplest models of trays ...