Retention of chlorides on biopolymers

such as agar-agar and balls of chitosan

 

M.Cherrab1, B. El Arfaoui1, K. Jaafari1, A. Khaoulani Idrissi1,

K. Benkhouja1, M. Siniti2*, S. Elmaleh3

1 EGPCM, University of Chouaib Doukkali, Faculty of Sciences, Department of Chemistry, 24000 El Jadida - Morocco

2 Laboratory of Physical Chemistry, University of Chouaib Douukkali, Faculty of Sciences,

Department of Chemistry, El Jadida - Morocco

3 UMR 5569, Hydrosciences, University Montpellier II, 34095 Montpellier - France

* Corresponding author. E-mail:msiniti@yahoo.fr

Received: 02 June 2006; revised version accepted:26 December 2006

 

Abstract

     Experiments carried out in closed reactor showed that the agar-agar and the balls of reticulate chitosan can keep the chloride ions present in aqueous solution. It is likely that the corresponding mechanism is a sorption based on acidic-basic reaction.

 

Keywords: Agar – Agar; Chitosan; Dechloration; Isotherm of sorption; Retention.

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