Removal of Reactive Green Dye from Textile Waste Water by Photo Fenton Process: Modeling, Kinetic, and Thermodynamic.

  • Tabarek Abdulsajad Jabar Al-Nahrain University
  • Khalid M. Mousa Al-zobai Chemical Eng. Dept., College of Engineering, Al Nahrain University, Baghdad, Iraq.
Keywords: Wastewater Treatment, Reactive Green Dye, Advanced Oxidation, Photo-Fenton Process, RSM, Kinetic, Thermodynamic

Abstract

This work investigated the removal of the reactive green (R.G) dye from wastewater using the photo-Fenton process. Batch experiments were carried out to research the role of the Impacts of operating parameters. The dosage of H2O2; dosage Fe+2; pH; temperature, and irradiation time were examined. Maximum decolorization efficiencies green dye were achieved at the [H2O2]=100 ppm; [Fe2+]=20 ppm; pH 3; temperature=56 °C and irradiation time=90 min. This research focuses on modeling, kinetics and thermodynamics of the removal of pollutant (reactive green dye) of water. The results showed that the decolorization kinetic of R.G followed pseudo-first-order reaction kinetic. Also the thermodynamic parameters ∆G˚, ∆H˚ and ∆S˚ were determined using the Van't Hoff equation for the oxidation processes. The changes in Gibbs free energy showed the oxidation process under normal conditions is non-spontaneous.

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Published
2021-12-31
How to Cite
Jabar, T., & Al-zobai, K. (2021). Removal of Reactive Green Dye from Textile Waste Water by Photo Fenton Process: Modeling, Kinetic, and Thermodynamic. Al-Nahrain Journal for Engineering Sciences, 24(2), 104-111. https://doi.org/10.29194/NJES.24020104