Application of High-Frequency Screens in Closing Grinding Circuits

The emphasis of this paper is to look at the operation of high-frequency screens in closed circuit grinding, where important results are achieved propitiating economic gains at the comminution stage and downstream processes including flotation, dewatering, and filtration operations.

The classification operation in grinding circuits has been slowly evolving during the last 100 years.

The history of classification equipment brings to mind rake classifiers and spiral classifiers, that even with higher efficiencies than hydrocyclones, were not able to follow the evolution of the concentrator plants.

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