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Aproveitamento de resíduos do processamento de uva para a biossorção de corantes e prata
(Universidade Federal de Santa Maria, 2017-12-05)
In this work, the potential of wine industry wastes as alternative biosorbents to remove Brilliant Blue (BB) and Amaranth Red (AR) dyes as also Ag ions from aqueous media was investigated; all experiments were performed ...
Produção de butanol a partir de etanol utilizando óxidos mistos de Mg e Al
(Universidade Federal de Santa Maria, 2016-09-30)
Butanol is an alcohol with a number of applications in various industries. It has diverse applications as solvent, and now shown to be an interesting substitute component for gasoline. His achievement is made from oil, but ...
Avaliação da interesterificação catalítica de óleo de macaúba com acetato de metila
(Universidade Federal de Santa Maria, 2017-01-27)
The world concern about the increasing of energy demand, depletion of fossil fuel reserves and global warming aroused interest in biodiesel production. Commonly produced through basic homogeneous transesterification, the ...
Obtenção de ácido giberélico por fermentação em estado sólido empregando resíduo de cervejaria e farelo de arroz bruto como substratos
(Universidade Federal de Santa Maria, 2017-03-21)
Gibberellic acid (GA3), a phytohormone belonging to the group of gibberellins is widely used in agricultural formulations, since it allows increased productivity in different types of crops. Due to the high final cost of ...
Interesterificação de óleo de soja para produção de ésteres metílicos de ácidos graxos catalisada por óxido de cálcio
(Universidade Federal de Santa Maria, 2018-08-02)
Price instability of fossil fuels and search for renewable energies have stimulated government
programs to increase the percentage of biodiesel in diesel. This biofuel is generally produced
by the transesterification ...
Preparação de catalisadores à base de ferrita de cobalto para aplicação na remoção de contaminantes em efluentes líquidos por processos oxidativos avançados
(Universidade Federal de Santa Maria, 2018-11-09)
This work aims to prepare cobalt ferrite (CoFe2O4) based-catalysts for use in the heterogeneous reactions of ozonation, photo-Fenton and photocatalysis aiming the decomposition of recalcitrant organic pollutants from aqueous ...
Aplicação de ácidos orgânicos na recuperação de metais a partir de resíduos de baterias de íons de lítio e catalisadores automotivos
(Universidade Federal de Santa Maria, 2019-01-17)
In the last decades, hydrometallurgical processes have received considerable attention for the recovery of precious metals such as Platinum Group Metals (PGM), as well as recovery of metals with high added value from ...
Análise do potencial bioativo de vidros à base de borofosfato
(Universidade Federal de Santa Maria, 2019-02-18)
The use of phosphate and borate glasses on regeneration of bone tissue has been researched for the past years due to its potential of being reabsorbed by the organism during the recovery process of affected tissues. This ...
Extração de ácidos graxos produzidos por Mortierella isabellina utilizando fluido supercrítico e ultrassom
(Universidade Federal de Santa Maria, 2017-03-17)
Polyunsaturated fatty acids (PUFA) have received considerable attention in recent years due to the benefits associated with their consumption. Among these benefits, they emphasize their multiple physiological actions, ...
Utilização de caulim como um potencial adsorvente de baixo custo na remoção de poluente orgânico em soluções aquosas
(Universidade Federal de Santa Maria, 2017-03-24)
Dye industries have great difficulty in effectively treating of wastewater generated, particularly in relation to dyes removal of the effluents, that even in small quantities, gives intense color, contributing to contamination ...