Nonlinear Analysis of the Kinetics and Equilibrium for Adsorptive Removal of Methyl Parathion by Powdered Activated Carbon

  • Abdoulaye Demba N'diaye Unité de Recherche Eau, Pollution et Environnement, Département de Chimie, Faculté des Sciences et Technique, Université de Nouakchott Al Aasriya, BP 880, Nouakchott, Mauritanie
  • Youssef Aoulad El Hadj Ali Laboratoire de L’Eau, les Etudes et les Analyses Environnementales, Département de Chimie, Faculté des Sciences, Université Abdelmalek Essadi, B.P. 2121, Mhannech II, 93002 Tétouan, Maroc
Keywords: Methyl parathion, Powdered activated carbon, Kinetics, Isotherms, Adsorption


The massive use of Methyl Parathion (MP) in the agriculture sector, has caused a setback to the environment and also has resulted in serious public health. In the present study, the nonlinear analysis method was used to evaluate the kinetics and equilibrium for MP adsorption on commercially available Powdered Activated Carbon (PAC) from an aqueous solution. The adsorption kinetic data were analyzed using the Pseudo First Order (PFO) and Pseudo Second Order (PSO) models. The experimental data were fitted using, two-parameter isotherms model (Langmuir, Freundlich, Temkin) and three parameters isotherms model (Sips, Redlich – Peterson, Toth). For the kinetic study, the adsorption process fitted the PSO model. Among two-parameter models, the Freundlich is better described for MP adsorption on PAC. From three-parameter isotherms, the Toth model was found to be the best representative for MP adsorption on the PAC. The results of the present study showed the efficiency of using PAC as an adsorbent for the removal of MP from an aqueous solution.


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How to Cite
N’diaye, A. D., & El Hadj Ali, Y. A. (2022). Nonlinear Analysis of the Kinetics and Equilibrium for Adsorptive Removal of Methyl Parathion by Powdered Activated Carbon. Journal of Environmental Treatment Techniques, 10(1), 24-28.
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