<b>Preparation of a chitosan-based anionic exchanger for removal of bromide, chloride, iodide and phosphate ions from aqueous solutions

Autores

  • Affonso Celso Gonçalves Júnior Universidade Estadual do Oeste do Paraná
  • Herbert Nacke Universidade Estadual do Oeste do Paraná
  • Daniel Schwantes Universidade Estadual do Oeste do Paraná
  • Valfredo Tadeu de Fávere Universidade Estadual do Oeste do Paraná
  • Mauro Cesar Marghetti Laranjeira Universidade Federal de Santa Catarina

DOI:

https://doi.org/10.4025/actascitechnol.v36i3.19550

Palavras-chave:

anion exchange, microspheres, reticulated chitosan

Resumo

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 between exchanger and anions were initially investigated. Results showed that the best adsorption of ions occurred at pH 3.0. Exchange isotherms were then developed by the Langmuir, Freundlich and Dubinin-Radushkevich mathematical models. Results demonstrated that chitosan produced from shrimp shells may be used as feedstock in the manufacture of anion exchange microspheres.

 

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Biografia do Autor

Herbert Nacke, Universidade Estadual do Oeste do Paraná

Centro de Ciências Agrárias, Universidade Estadual do Oeste do Paraná, Rua Pernambuco, 1777, CEP 85960-000, Marechal Cândido Rondon-PR, Brazil

Valfredo Tadeu de Fávere, Universidade Estadual do Oeste do Paraná

Departamento de Quí­mica, Universidade Federal de Santa Catarina, CP 476, CEP 88040-900, Trindade, Florianópolis-SC, Brazil

Mauro Cesar Marghetti Laranjeira, Universidade Federal de Santa Catarina

Departamento de Quí­mica, Universidade Federal de Santa Catarina, CP 476, CEP 88040-900, Trindade, Florianópolis-SC, Brazil

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Publicado

2014-02-26

Como Citar

Gonçalves Júnior, A. C., Nacke, H., Schwantes, D., Fávere, V. T. de, & Laranjeira, M. C. M. (2014). <b>Preparation of a chitosan-based anionic exchanger for removal of bromide, chloride, iodide and phosphate ions from aqueous solutions. Acta Scientiarum. Technology, 36(3), 521–529. https://doi.org/10.4025/actascitechnol.v36i3.19550

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Seção

Quí­mica

 

0.8
2019CiteScore
 
 
36th percentile
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0.8
2019CiteScore
 
 
36th percentile
Powered by  Scopus

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