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Obtenção e caracterização de biocarvão a partir de bagaço de malte oriundo de cervejarias para utilização como adsorvente do corante azul de metileno
(Universidade Federal de Santa Maria, 2018-07-16)
An alternative activated biochar was developed from barley malt bagasse (BMB) through pyrolysis followed
CO2 activation. The materials BMB, biochar and activated biochar (CO2–biochar) were characterized and
tested as ...
Desenvolvimento de adsorventes de nanofibras de quitosana/nylon 6 e tanino/nylon 6 por Forcespinning para remoção de cromo em meio aquoso
(Universidade Federal de Santa Maria, 2017-08-25)
New nanofiber materials composed of chitosan/nylon 6 and tannin/nylon 6 were prepared by the Forcespinning method and were used as adsorbents for the removal of chromium VI from aqueous solutions. Under optimum experimental ...
Adsorção do corante verde malaquita utilizando palha de milho modificada por ultrassom
(Universidade Federal de Santa Maria, 2017-07-17)
Colored effluents containing dyes are generated in different industrial sectors, such as textiles, cellulose,
paper, leather, paint, among others. The treatment of these effluents is a current environmental problem, ...
Transesterificação de óleo de soja com carbonato de dimetila catalisada por metóxido de potássio
(Universidade Federal de Santa Maria, 2017-08-04)
World biodiesel production is growing up every year mainly due to government policies that
require its consumption. However, biodiesel self-cost still makes it uncompetitive compared
to petrodiesel, and one of the reasons ...
Substituição do aço inoxidável em uma coluna de destilação por material polimérico de menor custo
(Universidade Federal de Santa Maria, 2017-08-28)
The ethanol production in small scale, with maximum capacity of 5.000 l/day, deals with serious problems related to low process performance, due to the low extraction of raw material, inefficiency of ethanol separation ...
Produção e caracterização de nano sílica modificada obtida de casca de arroz para a utilização como adsorvente de corantes
(Universidade Federal de Santa Maria, 2018-01-15)
The large generation of agro-industrial wastes around the world requires the search for alternatives to use these materials. Among the materials, rice husks are used in large scale in the industrial sector for energy ...
Produção, concentração e caracterização de cutinase
(Universidade Federal de Santa Maria, 2018-02-16)
The use of agroindustrial by-products is an interesting alternative for the production of cutinase by solid-state fermentation from a low cost process for viable industrial application of this enzyme. For this purpose, the ...
Cinética da produção de butenos a partir de butanol empregando catalisadores ácidos
(Universidade Federal de Santa Maria, 2017-12-01)
to environmental requirements, new producing routes have been pursued and the butanol
dehydration reaction is one of the most promising. HZSM-5 zeolites and -alumina acid
catalysts were synthesized at different conditions ...
Óleo de resíduo polimérico do tipo polipropileno como combustível alternativo para motores do ciclo diesel
(Universidade Federal de Santa Maria, 2018-01-03)
This work presents a characterization methodology of the oil produced from the pyrolysis of
polypropylene (PP) disposed as Municipal Solid Waste (MSW), aiming its use as alternative fuel for
diesel cycle engine. Samples ...
Geopolímero mesoporoso obtido a partir de metacaulim e cinza de casca de arroz como alternativa de adsorvente para remoção de corantes
(Universidade Federal de Santa Maria, 2017-08-11)
The industrial activity has contributed greatly to a significant increase in the concentrations of dyes in water, representing an important source of contamination of the water bodies, especially when we consider that such ...