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Affonso Celso Gonçalves Júnior, Herbert Nacke, Daniel Schwantes, Valfredo Tadeu de Fávere, Mauro Cesar Marghetti Laranjeira
Pág. 521 - 529
The development of a chitosan anion exchanger, obtained from shrimp shells, and its adsorption capacity for chloride, bromide, iodide and phosphate anions are provided. Dependence of exchange processes with the anions as a function of pH and contact time...
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Irene Yukiko Kimura, Valfredo Tadeu Favere, Amarildo Otavio Martins, Viviane Aparecida Spinelli, Atche Josué
Pág. 1313 - 1317
Microesferas de quitosana, com diâmetro médio 1,03 ± 0,06 mm e grau de desacetilação de 72,5%, foram empregadas como adsorvente para o corante reativo preto 5. A quitosana foi caracterizada através de espectroscopia no infravermelho (IV), RMN 13C e grau ...
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Irene Yukiko Kimura, Valfredo Tadeu Favere, Amarildo Otavio Martins, Viviane Aparecida Spinelli, Atche Josué (Author)
Pág. 1313 - 1317
Chitosan microspheres with average diameter 1.03 ± 0.06 mm and degree of deacetylation of 72.5% were employed as adsorbent for reactive dye black 5. Chitosan was characterized through infrared spectroscopy (IR), 13C NMR spectrum and deacetylation degree ...
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Irene Yukiko Kimura, Valfredo Tadeu de Fávere, Mauro César Marghetti Laranjeira, Atche Josué, Amauri do Nascimento
Pág. 1161 - 1166
Quitosana (87,2% NH2) foi empregada como adsorvente do corante reativo laranja 16 em meio aquoso. Este corante é usado no tingimento de produtos têxteis. As isotermas de adsorção foram determinadas variando o pH e a concentração inicial do corante. Os ex...
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Irene Yukiko Kimura, Valfredo Tadeu de Fávere, Mauro César Marghetti Laranjeira, Atche Josué, Amauri do Nascimento (Author)
Pág. 1161 - 1166
Chitosan (87.2% NH2) was employed as adsorbent for the orange 16 reactive dye in an aqueous medium. The dye is used in textile dyeing. Isotherms of adsorption were determined according to variations of pH and the initial concentration of the dye. Results...
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