Adsorption of Zinc Ions in Water on Natural and Treated Clay

Mustapha Djebbar1, Fatiha Djafri2
Affiliation: 
1 Laboratory of Materials, Applications and Environment, Faculty of Science and Technology, University of Mascara, BP 763 Route de Mamounia, Mascara, Algeria 2 Laboratoryof Chemical and Materials, Faculty of Science and Technology, University of Oran, BP 1524 El Menouar, Oran, Algeria djebbar_mustapha@yahoo.fr
DOI: 
https://doi.org/10.23939/chcht12.02.272
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Abstract: 
Adsorption of zinc ions in water on natural and treated clay has been studied. Natural clay before and after activation was characterized using TGА/DTА techniques and chemical analysis.The effects of various parameters, such as an initial concentration, temperature, pH, contact time and adsorbent concentration, has been examined. It was shown that treated clay is a good adsorbent compared to natural clay for removing Zn2+ ions and can be used instead of expensive adsorbents. The thermodynamic parameters have been calculated which have shown that the adsorption of Zn2+ on natural and activated clay is endothermic
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