Degradation of 4-Chlorophenol Using Homogeneous Fenton’s Oxidation Process: Kinetic Study

  • Sudha Minz
  • Renu GuptaEmail author
  • Sangeeta Garg
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 30)


Degradation of 4-chlorophenol (4-CP) has been studied experimentally using Fenton’s oxidation process. To catalyze hydrogen peroxide (H2O2), ferrous sulphate heptahydrate (FeSO4·7H2O) was chosen as the source of ferrous ions. Batch tests for degradation of 4-CP were conducted at room temperature and the effect of various parameters such as initial pH, reaction time, concentration of H2O2 and ferrous ions on the removal efficiency of 4-CP has been studied. The degradation of 4-CP has been reported in terms of 4-CP removal and reduction in total organic carbon (TOC) and chemical oxygen demand (COD). The study revealed that with increase in pH, Fe2+ ions and H2O2 dosage, the degradation, TOC removal and COD removal first increased and thereafter decreased. The optimal conditions were observed at pH 5 with 6 and 0.3 mM of H2O2 and Fe2+ concentrations, respectively. At optimum conditions, degradation of 4-CP was 90%, TOC and COD removal were 54% and 45%, respectively, within 30 min. Kinetic study for the degradation reaction of 4-CP was also done to analyse the order of reaction. The kinetic studies result revealed second-order reaction mechanism for the degradation of 4-CP using Fenton’s oxidation process.


4-chlorophenol Fenton’s reagent Hydroxyl radicals Degradation Reaction kinetics 


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© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Chemical EngineeringDr B R Ambedkar National Institute of TechnologyJalandharIndia

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