Apparatus and method for the beneficiation of ore and coal ...
Nov 26, 1996· Apparatus and method for the beneficiation of ore and coal with the aid of ultrasound ... for example, gold ore and tailings from gold ore beneficiation, wherein the valuable materials and gangue (unwanted materials) can be separated on the basis of specific gravity difference. ... The ultrasonic waves created in the slurry as it passes through ...