Liliia Frolova, Mykola Shapa, Tetiana Butyrina, Мariia Savchenko, Tetiana Hrydnieva. Investigation of ultrasonic treatment of wastewater from iron compounds

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Parent Category: Geo-Technical Mechanics, 2020

Category: Geo-Technical Mechanics, 2020, № 154

Geoteh. meh. 2020, 154, 45-50

https://doi.org/10.1051/e3sconf/202016800027

 

INVESTIGATION OF ULTRASONIC TREATMENT OF WASTEWATER FROM IRON COMPOUNDS

¹Liliia Frolova,²Mykola Shapa, ¹Tetiana Butyrina, ¹Мariia Savchenko, ¹Tetiana Hrydnieva

¹Ukrainian State University of Chemical Technology, ²Regional Institute of Public Administration, National Academy of Public Administration, Office of the President of Ukraine

Language: English

Abstract. The high level of wastewater pollution in the mining and metallurgical industries by compounds of heavy metals, including iron, enhances their migration into the environment. Due to the lack of universal high-performance and inexpensive methods of wastewater treatment and purification, the development of new technologies is very relevant. The article discusses the possibility of wastewater treatment by ultrasonic coagulation of iron compounds in a suspended colloidal state. It has been shown that the frequency of ultrasound does not affect the coagulation rate. The concentration of iron compounds in wastewater is inversely proportional to the intensity of ultrasound. It was also found that the dependence of the residual content of iron compounds on the processing time is extreme, which is associated with the formation of agglomerates and their subsequent destruction. The results obtained served as the basis for the development of the technological scheme.

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