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Fermentação de açúcares liberados de biomassas lignocelulósicas pré-tratadas com líquidos iônicos para a produção de etanol
(2015-02-23)
Fossil fuels, such as gasoline, diesel and coal, are the main sources of energy nowadays. In addition to generate problems, from the emission of greenhouse gases to the increase in fuel prices, these energy sources are ...
Mistura polimérica de poli(ácido lático)/poli(etileno-co-acetato de vinila) com incorporação de polietilenoglicol e quitosana como agentes modificadores de propriedades
(2016-06-21)
Poly (lactic acid) (PLA) has been employed in the packaging area, however, in order to improve its processing features and tenacity. Polymer blends of PLA with poly(ethylene-co-vinyl-acetate) (EVA), polyethylene glycol ...
Avaliação do potencial de produção de etanol e xilitol a partir de xilose por macromicetos
(2017-04-24)
Lignocellulosic biomass is primarily composed of cellulose, hemicellulose and lignin, whereinhemicellulose is about 30% of the lignocellulosic biomass and this fraction contains about 60% xylose. Currently studies are being ...
Estudo e secagem de argila vermelha utilizando um sensor magnetoelástico
(2015-02-20)
An important application of magnetoelastic sensors is in antitheft systems. Because of their excellent performance and their passive wireless nature, they have also been extensively used in environmental sensing of changes ...
Avaliação comparativa de revestimento de conversão à base de cério para embalagens de folhas flandres empregadas na indústria de alimentos
(2015-02-23)
The metal food packages provide a barrier to the action of the environment and the preservation of nutrients and organoleptic quality of the packaged product. Several studies are being conducted aiming for environmentally ...
Desenvolvimento e caracterização de uma tinta em pó base poliéster contendo montmorilonita funcionalizada com silano
(2014-08-25)
Among the methods used for corrosion protection of metal materials the organics coatings
have been widely used due to their ease of application and reasonable costs. The barrier
property of the organic coatings can be ...
Emprego de membrana na separação de células de Zymomonas mobilis em bioprocessos associados para a produção de etanol e ácido lactobiônico
(2014-11-24)
Zymomonas mobilis, anaerobic bacteria, metabolize glucose, fructose or sucrose generating equimolar amounts of CO2 and ethanol. Glucose behave as an inducer of glucose - fructose oxidoreductase (GFOR) and glucono -- ...