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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 ...
Hidrólise enzimática de bagaço de malte usando tecnologias alternativas visando à obtenção de açúcares fermentescíveis
(Universidade Federal de Santa Maria, 2016-07-26)
This work aimed to study the enzymatic hydrolysis of malt bagasse, using mechanical agitation, ultrasonic probe and supercritical CO2. Enzymatic hydrolysis was performed on granular starch. For this, was used a commercial ...
Emprego do ultrassom para a desemulsificação de petróleos provenientes do pré-sal
(Universidade Federal de Santa Maria, 2020-09-21)
The presence of emulsified water in crude oil is a natural consequence of the formation and the production process, leading to crude oil emulsions in petroleum production. Emulsion separation is necessary for industrial ...
Avaliação do uso de ultrassom para a conversão de ácido tânico visando à obtenção de ácido gálico
(Universidade Federal de Santa Maria, 2021-11-18)
Tannic acid is a macromolecule belonging to the hydrolysable tannins group, with multiple units of gallic acid linked to a central sugar. This compound is considered to have a low level of biodegradability and, under ...
Otimização da produção e extração de metabólitos com atividade antioxidantes a partir do fungo Botryosphaeria dothidea isolado do bioma Pampa
(Universidade Federal de Santa Maria, 2017-08-17)
In this work the ultrasound was used to increase the production of metabolites with antioxidant activity obtained from the submerged fermentation of the fungus Botryosphaeria dothidea, followed by different extraction ...
Avaliação das características de bio-óleo e biochar produzidos por pirólise a partir de biomassas lignocelulósicas
(Universidade Federal de Santa Maria, 2023-03-09)
Lignocellulosic biomass is considered one of the alternative renewable resources with the
potential to supply the high world energy demand, by reducing dependence on fossil fuels. The
use of this valuable resource as raw ...