Grinding – The primary conditioner

A number of case studies examining the effect of grinding media on pulp chemistry and subsequent flotation performance were completed on several different sulfide mineral systems. The evidence suggests that a change in grinding media type from forged to high chrome resulted in a shift in pulp Eh to less reducing conditions, an increase in the dissolved oxygen content of the pulp and a reduction in the iron species present. The changes have a positive impact on flotation behaviour.

by C.J. Greet and P. Steinier

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