Recovery of valuable metals from WPCB fines by centrifugal …
The material in the size range of 20–300 μm is generally preferred for effective flotation. In very fine particle sizes (< 20 μm), the selectivity decreases because a large amount of waste materials mix with the float product. ... Froth flotation for beneficiation of printed circuit boards comminution fines: an overview. Miner Process …