Now showing items 1-8 of 8
Obtenção de nanofibras de celulose a partir de resíduos da indústria fumageira
In the 2013/14 harvest, Brazil produced 751,000 tons of tobacco leaves. Tobacco industry employs tobacco leaves for cigarette and cigar production. About 4% of the tobacco leaves processed become a waste, which is basically ...
Desenvolvimento e caracterização de compósitos poliméricos poliéster/nanocelulose
The search for low-impact, renewable materials is a recent research topic. The need to substitute materials from non-renewable sources is one of the main motivations for such studies in this area. In this context, one of ...
Produção e caracterização de criogéis de celulose Pinus elliottiii para a adsorção de petróleo
The production of cellulose cryogels for oil adsorption becomes an interesting study since cellulose is an economical, renewable, biodegradable and abundant source in the environment. Within this context, the aim of the ...
Desenvolvimento de um sistema automático de alimentação controlado pelo pH do meio para produção de celulases por Penicillium echinulatum S1M29 em regime descontínuo alimentado
The production of cellulases is of major interest in order to increase economic viability of second generation ethanol. This complex contains three major enzymes: endoglucanases, exoglucanases and β-glucosidades. Filamentous ...
Aerogéis hidrofóbicos de nanofibras de celulose
The use of natural fibers from renewable and biodegradable sources, such as cellulose, in oleophilic sorbent formation has become an interesting alternative due to their excellent properties. However, chemical treatments ...