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Application of hydrodynamic cavitation in the field of water treatment

Yan Chen, Chuang Yin, and Youtao Song

College of Environment, Liaoning University, Shenyang, China



Received: 31 October 2022  Accepted: 23 February 2023


Hydrodynamic cavitation (HC), a common phenomenon that can produce local excessive temperature, high pressure and large amount of energy. It has been found that, when applied to water treatment, it can effectively act on refractory organic matter in wastewater through thermal decomposition and water molecular action to produce free radicals. In this paper, the basic theory of cavitation and the research achievements on cavitation reactor are systematically introduced. The existence of physical and chemical effects is revealed by discussing the mechanism of cavitation generation. The effects of geometric parameters as well as operational parameters on cavitation performance are described. In addition, HC is more cost-effective coupled with other advanced oxidation processes (AOPs) than HC alone. Finally, this paper puts forward the existing problems in this field, and predicts the future development direction and research trend, which has reference value for the further study of HC phenomenon and its application.

Keywords: Hydrodynamic cavitation; Degradation mechanism; Water treatment; Advanced oxidation processes

Full paper is available at

DOI: 10.1007/s11696-023-02754-y


Chemical Papers 77 (7) 3521–3546 (2023)

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