Abstract
The objective of this work is the valorization of certain local clays by their use in the treatment of waste water. For this, we have improved the surface properties of a natural Algerian Clay from the west of Algeria from the deposit of ghousel (Maghnia). The treatments carried out are the following: physical and chemical. The prepared material (calcined and activated) was characterized by infrared spectroscopy, measurement of the cation exchange capacity, specific surface and by measuring the pH (pzc). Then, the clay used is applied to the adsorption of an industrial dye (yellow bemacid) in aqueous solution. The quantitative analysis of the dye was followed by UV-Visible spectrophotometer, this analysis allows to determine the best conditions that favor the adsorption such as contact time, adsorbate concentration, adsorbent mass, solution pH and temperature.
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