Removal Of A Dye From The Textile Industry By Adsorption On Natural Pozzolana

IJEP 41(6): 673-680 : Vol. 41 Issue. 6 (June 2021)

Miloud Hamadache1,2*, Samir Bekheira1, Zohra Dali-Youcef1 and Beloufa Nabil3

1. National Polytechnic School, Laboratory of Materials (LABMAT), EL Menaouer, Oran, Algeria
2. Relizane University Center, Department of Civil Engineering, Algeria
3. Ecole Nationale Polytechnique Maurice Audin, Laboratory of Micro and Nanophysics (LaMiN), Department of Physics, El M’Naouer, 31000, Oran, Algeria


In the present work, study of the adsorption of the yellow dye G (azo type) which is found in the discharges of a textile factory ENADITEX of the industrial zone of wilaya of Oran, Algeria on pozzolana which is a natural and easily available adsorbent was conducted. Experimental results showed that the adsorption of the yellow dye G on pozzolana showed a removal rate of 78.80% for a maximum time of 60 min at initial pH (13.09) and room temperature. The study of isotherms revealed that both Freundlich and Temkin models fit well with the process of dye adsorption. The kinetic data were modelled by the pseudo-first order and pseudo-second order equations and reveal that the adsorption of the yellow dye G is governed by the second order kinetic model. The thermodynamic study indicates that the adsorption process is of spontaneous physical and endothermic nature.


Natural pozzolana, Yellow dye G, Adsorption isotherms, Kinetics study, Thermodynamic study


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