Adsorption of As(III) on chitosan-Fe-crosslinked complex (Ch-Fe).
Chemosphere
; 82(2): 278-83, 2011 Jan.
Article
em En
| MEDLINE
| ID: mdl-20943252
It was reported the adsorption of As(III) on the surface of the chitosan-Fe-crosslinked complex. Theoretical correlation of the experimental equilibrium adsorption data for As(III)/Ch-Fe system is best explained by the non-linearized form Langmuir-Freundlich isotherm model. At optimum conditions, pH 9.0, the maximum adsorption capacity, calculated using the Langmuir-Freundlich isotherm model was 13.4 mg g⻹. The adsorption kinetics of As(III) onto Ch-Fe are described by the pseudo-first-order kinetic equation. The results of the Mössbauer spectroscopy showed that there is no redox process on the surface of the adsorbent.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Arsênio
/
Reagentes de Ligações Cruzadas
/
Quitosana
/
Ferro
Idioma:
En
Revista:
Chemosphere
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido