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Síntese e caracterização de zeólitas ZSM-5 por diferentes rotas e seu emprego na produção de olefinas leves a partir de etanol
(Universidade Federal de Santa Maria, 2014-08-12)
This work aims the synthesis and study of ZSM-5 catalysts for the conversion of
ethanol to light olefins, especially, using an alternative and inexpensive route. The
ethanol emerges as a renewable source for the production ...
Produção de olefinas leves a partir de etanol em ZSM-5 sintetizada sem direcionador nitrogenado
(Universidade Federal de Santa Maria, 2015-03-05)
The petrochemical industry is currently strongly based on the production of light olefins ethylene and propylene, which are mainly produced by hydrocarbons from oil. Due to the environmental appeal and unstable oil market ...
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, ...
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 ...
Obtenção do álcool etílico hidratado, com graduação alcoólica para uso automotivo: validação de um processo em batelada
(Universidade Federal de Santa Maria, 2010-03-19)
One of the most used for separation of alcohol and water is distillation. Traditionally the production of hydrated ethanol fuel is produced by large distilleries, which were freestanding or attached. A problem found for ...
Otimização do processo de hidrólise da mandioca in natura, com o uso de enzimas amilolíticas e pectinolítica
(Universidade Federal de Santa Maria, 2011-06-03)
Cassava is an important source of nutrients, and also of great importance as agro-industrial raw materials and can be used to produce ethanol. Through the process of hydrolysis, acid or enzyme, starch is converted into ...
Predição da performance de um reator UASB para o tratamento de vinhaça usando identificação e redes neuronais
(Universidade Federal de Santa Maria, 2013-03-28)
Brazil is a tropical country with a huge amount of natural energy resources. In view of the growth that the country is experiencing, such resources exploitation becomes increasingly attractive. Among many resources ...