DOI 10.35776/VST.2022.01.01
UDC 628.166

Vasiliak L. M., Koudryavtsev N. N., SMIRNOV A. D., Strelkov A. K.

Ultraviolet plus ultrasound, and why again «there are no analogues in the world»?

Summary

Ultrasound has not been widely practiced in the world as a water disinfection technology. It has a low energy efficiency of disinfection in comparison with ultraviolet irradiation, therefore cannot be applied on its own. The combined effect of ultrasound and UV-irradiation does not have a synergistic effect, since these photo-biological and physicochemical processes are different and independent from each other. There are no criteria and methods for monitoring the effectiveness of ultrasound disinfection. The use of ultrasound is not regulated by sanitary rules and guidelines related to the disinfection of drinking and waste water. Cleaning of quartz covers is carried out using mechanical systems and chemical rinsing; international equipment manufacturers do not use ultrasound for this purpose. Personnel protection from the harmful impact of ultrasound is required.

Key words

potable water , disinfection , ultraviolet , wastewater , water treatment , ultrasound

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