Investigating the photo-Fenton process for treating soil washing wastewater

  • Sorur Safa
  • Mohammad Reza MehrasbiEmail author
Research article



Petroleum hydrocarbons have created numerous problems for water resources. The main objective of this study was focused on the application of advanced oxidation processes (AOPs) in treatment of effluent of petroleum contaminated soil washing operation.


The AOP process in the present study was run with Fe2+/H2O2 (Fenton’s reagent), Fe2+/H2O2/UV (photo-Fenton’s reagent) and UV lamp (medium pressure mercury lamp, 400 W) in the batch-mode reactor at laboratory-scale.


Various parameters and optimized values which could maximize the removal efficiency of COD were: Fe2+ = 0.1 g/L, H2O2 = 1 g/L, pH = 3 and irradiation time of 120 min. Under the optimal conditions, the removal efficiency of COD and TOC were achieved 86.3% and 68% respectively. The results showed that the reaction of the oxidation of diesel fuel by Fenton and photo-Fenton systems followed second-order kinetic model with reaction rate constants (k) of 7 × 10−6 and 3 × 10−6 l/mg min−1 respectively.


The photo-Fenton process can be used as an effective and environmental friendly method in the degradation of petroleum organic compounds.


Advanced oxidation processes (AOPs) Fe2+/H2O2/UV process Fe2+/H2O2 process Chemical oxygen demand (COD) Total organic carbon (TOC) 



Advanced oxidation processes


Chemical oxygen demand


Total organic carbon


Gas chromatography

JEL Classification




We thank associate professor Mohammad Hossein Rasoulifard from Department of Chemistry, Faculty of Sciences, University of Zanjan for their research advice.


The present work was part a Master thesis entitled “performance evaluation of photo-Fenton process in the treatment of soil washing wastewater”, which was financially supported by Zanjan University of Medical Sciences.

Compliance with ethical standards

Conflict of interest

The authors confirm no conflicts of interest associated with this publication.

Consent for publication

All authors agreed to publish this article.

Ethics approval and consent to participate

No human samples were used in this study and all experiments were chemically and in laboratory scale.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Environmental Health EngineeringInternational Campus of Shahid Sadoughi University of Medical SciencesYazdIran
  2. 2.Department of Environmental Health Engineering, School of Public HealthZanjan University of Medical SciencesZanjanIran

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