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Obtenção de nanofibras de celulose a partir de resíduos da indústria fumageira
(2016-02-25)
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 ...
Produção e caracterização de criogéis de celulose Pinus elliottiii para a adsorção de petróleo
(2017-09-21)
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 ...
Aerogéis hidrofóbicos de nanofibras de celulose
(2016-07-05)
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 ...
Desenvolvimento de um sistema automático de alimentação controlado pelo pH do meio para produção de celulases por Penicillium echinulatum S1M29 em regime descontínuo alimentado
(2019-11-29)
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 ...
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 ...
Avaliação do uso de adsorventes a base de óxido de grafeno e celulose para a remoção de íons cromo hexavalente de soluções aquosas
(2021-10-06)
The water contamination is characterized as one of the major environmental problems caused by the increase of manufacturing industries, among these contaminants, the chromium ions can be highlighted. High concentrations ...