EFFECT OF ULTRASOUND ON REAGENT COMPOSITIONS FOAMING PROPERTIES USEDIN MINERAL FLOTATION

Abstract

The article considers the effect of foam-forming compositions of flotation reagents (hydro-chloric amine solution, hydrochloric amine solution with addition of polyethylene glycol 200M and hydrochloric amine solution with addition of triethylene glycol) ultrasonic treatment on the prop-erties of two-phase foams. It was determined that ultrasonic activation of reagent compositions increases a foam specific volume and foam capacity by10.3 and 12.1%, respectively, while the foams become drier by15.2% (in the case of the hydrochloric amine solution), 15.6% (in the case of the hydrochloric amine solution with addition of polyethylene glycol 200M) and 13.3% (in the case of the hydrochloric amine solution with addition of triethylene glycol). In addition, there is an increase in the foam layer stability with an increase in the ultrasonic treatment power by63.1% (in the case of the hydrochloric amine solution), which indicates the ability to control the stability and other characteristics of the foamusing the acoustic method. Due to ultrasonic dispersion, amine floccules are more efficiently distributed over the entire volume of the emulsion, includingthe sur-face of the liquid. It was found that ultrasound changes the above foam characteristics by reducing the surface tension of foam-forming compositions and decreasing collector micelles.