PGM Platinum Mining & Extraction - Mineral Processing / MetallurgyFeb 16, 2016 . A library of 244 scientific research papers on PGM & Platinum geology . of mill speed and pulp density on the grinding efficiency for secondary stage . and elution of platinum group metals (Pt, Pd, and Au) from cyanide leach.platinum group sag mill,Ngezi - Mining TechnologyHartley's resource base is 218Mt grading 2.04g/t platinum-group metals . Run-of mine ore is ground in a Fuller Traylor SAG mill before flash flotation to recover.
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