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Items 11-15 di 15
Pré-tratamento de biomassa lignocelulósica por macrofungos regionais para posterior produção de etanol de segunda geração
(2017-11-30)
With the growing demand for renewable energy sources as alternatives to fossil fuels, the use of lignocellulosic biomass, such as sugarcane bagasse and eucalyptus sawdust, is an alternative for the production of second ...
Utilização de nanofribras de celulose de biomassas residuais das indústrias do papel e fumageira como adjuvante na preparação de granulados contendo teofilina
(2017-06-29)
Cellulose nanofibers (CNFs) derived from tobacco and paper chips may have different applications including polymer composites, fabrics, cosmetics and medicines. Considering this wide applicability and emphasizing, above ...
Desenvolvimento de espumas de poliuretano revestidas com formas alotrópicas de carbono para utilização como sorvente de petróleo e outras substâncias orgânicas
(2017-12-14)
The growing exploration and transportation of oil and by-products in marine environments, together with the discovery of the pre-salt in the Brazilian coast in 2006, brings potential environmental disasters caused by ...
Sistemas alternativos de ativadores de vulcanização em comparação ao sistema tradicionalmente utilizado em compostos elastoméricos de borracha natural
(2017-12-14)
This work evaluated the action of different vulcanization activators (phthalic and terephthalic acid) in comparison to stearic acid in the reaction with ZnO. In addition, sought to verify the possible reduction of the phr ...
Desenvolvimento de bioespumas empregando resíduos agroindustriais e macrofungos regionais
(2017-11-28)
The growing search for biodegradable materials has awakened the interest of the scientific world to the development of products that have this characteristic. These materials can replace synthetic products that come from ...