Nanofiltration process applied to the tannery solutions [An article from: Desalination]

This digital document is a journal article from Desalination, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
We propose in this study the effectiveness of an organic membrane Nanomax50 charged negatively on complex solution tanneries. Our choice was made on the solutions of tanning and liming of the tannery tawing of Rouiba/Algiers because of the nature of the substances which they contain, namely chromium and sulphides. Initially, of the pretreatments by precipitation and coagulation flocculation respectively with the solutions of tanning and liming are planned in order to avoid the filling of the membrane. The products used at these stages are FeSO"4-HCl-Ca(OH)"2. After each stage of pretreatment, the Nanofiltration is used in order to study the behavior of the membrane with respect to the composition of the solution with various stages. The parameters of studies under consideration in this study are as follows: pH, electric conductivity, turbidity, concentration chromium plate some by atomic absorption.