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Dam And Backfill For Gangue Hydrocyclone Screening Machine

If the hydrocyclone or screening machine has a low selectivity, so that the unit or machine is said to have an efficiency of only e.g. 70 – 80 , this means that 20 – 30 of the coarse material gets into the fines, or 20 – 30 of the fine material is returned to the previous process step.

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