Vashkurak U. The improvement of cavitation technologies of industrial wastewater treatment

The efficiency of the combined action of a gas of a certain nature and ultrasonic cavitation has been studied. It was found that regardless of the nature of the bubbling gas and regardless of the composition of the wastewater, the effect of ultrasonic cavitation is enhanced for all ten studied objects, which were certain types of wastewater. It is established that the selection of the most efficient gas for bubbling into zone of cavitation depends not only of the thermodynamic properties of the gas, but also on the initial composition of wastewater. Based on this, the relative eries's of gas efficiency of bubbling gases were determined and the gas that, in combination with ultrasonic cavitation, was the most appropriate to use for each object under study was selected. It is confirmed that cavitation wastewater treatment from organic and microbiological contaminants is described by a first-order kinetic equation, regardless of the nature of the bubble gas and the composition of wastewater.