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Title: Understanding of ultrasound enhanced electrochemical oxidation of persistent organic pollutants
Authors: Ritesh P.
Srivastava V.C.
Published in: Journal of Water Process Engineering
Abstract: Advanced oxidation processes have gained attention recently due to their effectiveness in mineralizing toxic recalcitrant pollutants. In this paper, studies on combined sonolysis and electroxidation techniques have been reviewed for the degradation of the persistent organic pollutants, and real industrial wastewater. The effects of various parameters such as ultrasonic power, current density, initial pH, and electrolyte concentration have been elucidated. Critical analysis of the studies (1996-2020) on the treatment of various synthetic and real wastewater using the sono-electroxidation process has been considered. Ultrasound, in combination with electrochemical technology, is an attractive option for the treatment of industrial wastewater. The application of ultrasound gives the synergistic effect by virtue of the physical and chemical effects of cavitation. Coupling these two techniques increases the mineralization degree by increasing the mass transport rate and the chemical reaction rate, and reduce the electrode passivation and fouling problem. Woking with an optimized sonoelectrochemical reactor design with low power ultrasound with pulsed mode can remarkably decrease the energy cost and increase the economic viability of the treatment method. Challenges associated with the process are documented in this paper.
Citation: Journal of Water Process Engineering(2020), 37(): -
Issue Date: 2020
Publisher: Elsevier Ltd
Keywords: Cavitation
Hydroxyl radicals
Reactive oxygen species
ISSN: 22147144
Author Scopus IDs: 57220758622
Author Affiliations: Ritesh, P., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
Srivastava, V.C., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
Funding Details: One of the authors (Ritesh Patidar) acknowledges to quality improvement program supported by All India Council for Technical Education (AICTE), Government of India , for providing the scholarship for pursuing this research at the Indian Institute of Techn.All India Council for Technical Education, AICTE.
Corresponding Author: Ritesh, P.; Department of Chemical Engineering, India; email:
Appears in Collections:Journal Publications [CH]

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