Fenton’s oxidation of para-chlorophenol with zero-valent iron

Sardar, Mahdieh and Sheikh Mohammadi, Amir and Almasian, Mohammad (2013) Fenton’s oxidation of para-chlorophenol with zero-valent iron. Desalination and Water Treatment. pp. 1-7.

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Abstract

Para-chlorophenol (para-cp), a chlorophenol derivative, is potentially a pollutant that represents an important environmental problem, because of its toxic effects on the environment. In this study, the removal of para-cp from synthetic wastewater using a Fenton-like (Fe˚/H2O2) system has been investigated. A Fenton-like oxidation process was performed on the synthetic wastewater and the optimum conditions were determined and calculated. According to the results of this experiment, removal efficiency under the optimum conditions of [Fe˚] = 0.0035 M, [H2O2] = 0.0014 M, and [pH] = 4.0 was 93.89% in 5 min. Increasing chloride ions from 0 to 4.6 mg/l and decreasing UV215 absorbance from 1 to 0.4 indicated that the generated intermediates’ toxicity was reduced and the degradability was enhanced. Keywords: Para-chlorophenol; Fenton-like process; Wastewater; Fe˚/H2O2; Hydroxyl radical

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