Nonylphenol Degradation by Simultaneous Electrooxidation on BDD Anode and Oxidation by H2O2 in a Continuous Flow Electrochemical Reactor

The personal care and hygiene industry, particularly the one dedicated to the production of detergents, generates, among other residues, water with a high concentration of nonylphenol (NP), which is a surfactant that has been classified as an emerging pollutant and reported as an endocrine disruptive chemical. In this study, the use of hydrogen peroxide as an oxidizing agent coupled to an electrochemical process (BDD anodes oxidation) induced elimination of 10% more NP with half the time required for the pure electrochemical process. The integrated process allowed removing 98% of this emerging pollutant. The consumption of energy by the studied integrated technology was low as compared to the electrochemical-ozonation integrated process, showing a reduction in the operational cost and making the proposed process a viable option for the treatment of this kind of waste water.

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