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Investigation of performance of a low ZnAl2O4-TiO2 ultrafiltration membrane in relation with speciation and membrane solutes interactions

Author:
Loukili, H.  Alami-Younssi, S.  Albizane, A.  Bennazha, J.  Bouhria, M.  Persin, M.  Larbot, A.  


Journal:
SEPARATION AND PURIFICATION TECHNOLOGY


Issue Date:
2008


Abstract(summary):

The low ultrafiltration (UF) membranes performances depend mainly on the nature of the interactions between the solutes and the membrane material. This paper reports the filtration tests of different salts: CH3COONa, Na2HPO4 and NaF by means of a TiO2-ZnAl2O4 membrane prepared by sol-gel route deposed on a moroccan clay support. The measured rejections depend at once on the pH, on ionic strength of the solution; their interpretation needs to precise the exact speciation of the filtered species. (C) 2007 Elsevier B.V. All rights reserved.


Page:
134---140


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