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Bioaumentação em reatores anaeróbio e aeróbio e uso de reator nitrificante para redução da carga orgânica e nitrogenada
(Universidade Federal de Santa Maria, 2012-01-13)
Agro-industrial effluents are capable of causing great impact on water bodies if released without adequate treatment. The removal of the organic load in the conventional biological treatments is achieved with high generation ...
Produção de ácido láctico a partir da casca de arroz
(Universidade Federal de Santa Maria, 2012-11-16)
Lignocellulosic agroindustrial wastes, such as rice husks (RH), are abundant, low cost, renewable sources, available to biotransformation in value-added products. Thus, the main objective of this study was to investigate ...
Extração assistida por radiação micro-ondas para a remoção de água, sal e sedimentos de petróleo e posterior caracterização
(Universidade Federal de Santa Maria, 2012-07-30)
In this work a process for simultaneous removal of water, salt and sediments
from oil emulsions using microwave radiation (MW) in a closed system was proposed
for further characterization of the oil phase. A real oil ...
Efeito do ultra-som na atividade de enzimas amilolíticas e sobre a eficiência de hidrólise de amido de mandioca
(Universidade Federal de Santa Maria, 2012-03-27)
Ethanol production from cassava undergoes two-stage hydrolysis and fermentation. The starch hydrolysis may be made of acidic or enzymatic way, the latter presents the greatest advantages. In the production of starch ...
Efeitos da aplicação do resíduo da produção de etanol de batata sobre diferentes culturas
(Universidade Federal de Santa Maria, 2012-03-19)
The Brazil is one of the countries that produce waste, due to its large agroindustrial activity. Ethanol production stands out as one of the activities that generate more waste, due to the large volume of stillage generated, ...
Produção de eteno a partir de etanol utilizando aluminas
(Universidade Federal de Santa Maria, 2012-09-24)
Calcination variables, temperature, time and heating rate, used in obtaining different
transition aluminas were simultaneously investigated using statistical experimental design.
Empirical models correlating catalyst ...
Aplicação de um reator anaeróbio de alta eficiência para o tratamento de efluentes de uma microdestilaria de álcool
(Universidade Federal de Santa Maria, 2012-12-21)
During the distillation of alcohol is a residue called vinasse generated with high content of organic matter and high pollution potential. As the largest industry effluent of alcohol, stillage is an ecological problem. ...
Estudo da inclusão de compartimentos em biodigestores modelo canadense
(Universidade Federal de Santa Maria, 2012-09-06)
The piggery for many years was characterized as a waste-generating activity of high
polluter, but in recent decades many studies are responsible for changing this
concept. The use of biodigester is well disseminated to ...
Espessuras ópticas de aerossóis de uma região rural do estado do Rio Grande do Sul comparadas com uma região industrial do Brasil
(Universidade Federal de Santa Maria, 2012-04-30)
Aerosols are solid or liquid particles suspended in air, which directly and indirectly interact with solar radiation and can be monitored through its optical depth. The aims of this study was to analyze the time series of ...
Desempenho de uma coluna de destilação, frente à variação das concentrações e vazões de alimentação utilizando-se solução hidroalcoólica padronizada
(Universidade Federal de Santa Maria, 2012-12-20)
In Brazil, especially in Rio Grande do Sul, there is a significant increase in ethanol production in small scale, i.e. in micro distilleries. These small-scale distilleries benefit small farmers, decentralize ethanol ...