Ultrasonic assisted flotation of fine coal: A review
01/12/2019· In 2006, Ozkan and Kuyumcu used a newly designed flotation cell equipped with ultrasonic transducers to investigate the mechanism of ultrasound improving coal flotation. A 600 W ultrasonic generator was used, each transducer had a power level of 50 W and frequencies were fixed as 25 and 40 kHz. They observed that froth or air bubble sizes during simultaneous ultrasonic flotation




































