EFFECT OF POTASSIUM MONOPERSULFATE ON SONOCHEMICAL DEGRADATION OF CATIONIC DYE IN AN AQUEOUS SOLUTION

Abstract

In this study, removal of Cresol Red (CR), a cationic triphenylmethane dye, by 300 kHz ultrasound was investigated. The effect of additive such as potassium monopersulfate ( oxone) was studied. Additionally, sonolytic degradation of CR was investigated at varying ultrasonic power . RC can be readily eliminated by the ultrasound process. The obtained results showed that. Sonochemical degradation of CR was strongly affected by ultrasonic power .The degradation rate of the dye increased substantially with increasing ultrasonic power in the range of 20W to 80 W. This improvement could be explained by the increase in the number of active cavitation bubbles. The ultrasonic degradation of dye was enhanced by potassium monopersulfarte (oxone) addition. It was found that the degradation of the dye was accelerated with increased concentrations of oxone for a reaction time of 75 minutes