Study of the influence of ultrasonic treatment parameters on processes in the KI–H2SO4–H2O system

Abstract

Ultrasound effectively accelerates and improves chemical processes, increasing the yield of products and solving problems of efficiency, environmental safety and economic feasibility of chemical production. The work studied the ultrasonic effect on the KI–H2SO4–H2O system in order to identify the influence of ultrasound processing parameters on the course of the process and the prospects for using this system as a model in studying the effectiveness of ultrasound. As is known, when cavitation bubbles collapse, pressure and temperature drop occur locally, which cause the formation of free radicals and the appearance of hydrogen peroxide in aqueous media, which oxidizes iodide ions to molecular iodine in an acidic environment. The effect of ultrasound parameters was investigated by the method of mathematical planning and processing of experimental results (DFE 27-4) – 1/16 replica of a complete factorial experiment, resulting in a regression model describing the effect of the reaction parameters used on the yield of sonochemical reaction products