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Caracterização e separação de materiais presentes em resíduos serviços de saúde
(Universidade Federal de Santa Maria, 2013-05-03)
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Remoção biológica de gás sulfídrico concentrado para tratamento do biogás
(Universidade Federal de Santa Maria, 2013-04-12)
The biogas is a product of the microbiological degradation process of organic matter. Biogas consists mainly in methane, carbon dioxide and small amounts of hydrogen, nitrogen and hydrogen sulfide. The high methane ...
Implementação de uma estrutura de controle indireto da concentração de etanol em uma coluna de destilação híbrida
(Universidade Federal de Santa Maria, 2013-01-31)
The unit operation of distillation demands the largest amount of energy in the ethanol
separation. It is of utmost interest to minimize the energy expended in the process,
playing the control an important role on this ...
Modelagem, simulação e controle de colunas de destilação apropriadas à produção de etanol em pequena escala
(Universidade Federal de Santa Maria, 2013-02-28)
The environmental liabilities that are faced by fossil fuel industry motivate the search for renewable energy sources. Although Brazil is the second largest world producer of bioethanol, the current production deficit is ...
Síntese de aluminato de zinco (ZnAl2O4) pelo método de complexação metal-quitosana e seu uso como fotocatalisador
(Universidade Federal de Santa Maria, 2013-12-13)
In this work, the synthesis of the oxide zinc aluminate spinel (ZnAl2O4) was realized by the metal-chitosan complexation method in different calcinations temperatures with the purpose of studying their influence in the ...
Análise experimental e modelagem de motor de combustão interna operando com etanol super-hidratado
(Universidade Federal de Santa Maria, 2013-03-28)
The use of ethanol as fuel has encouraged many countries to improve their production for this purpose. However, costs relating to their current production model have been occasionally mentioned as a drawback to its use. ...
Avaliação de catalisadores de cobre derivados de hidróxidos duplos lamelares para reação de deslocamento água-gás
(Universidade Federal de Santa Maria, 2013-03-11)
Hydrogen is considered the fuel of the future, due to its high energy density
and its application in fuel cells. Hydrogen is mainly obtained by light hydrocarbons
reforming. In this process, the reaction product is a gas ...
Preparação de carvão ativado a partir de resíduos de erva-mate e seu uso como adsorvente na remoção de poluente orgânico em solução aquosa
(Universidade Federal de Santa Maria, 2013-08-13)
Activated carbon prepared from yerba mate (Ilex Paraguariensis) has been used as adsorbent for the removal of tannery dye from aqueous solution. The activated carbon was prepared by pyrolysis process, under nitrogen ...
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 ...
Processos de separação de materiais valiosos de telas lcd de telefone celular
(Universidade Federal de Santa Maria, 2013-07-25)
The proposal of this work is separate the liquid crystal display (LCD) screen of cell phones in disuse, removing polymers which are adhered to the glass screen by using an appropriate solvent, and then perform the glass ...