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Gold/Mining/Energy : Canmine resources
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To: Ralph Kern who wrote (2300)1/28/2000 9:55:00 AM
From: Aurum  Read Replies (1) of 2769
 
Hi Ralph,
platinum group metals (otherwise called PGEs and platinoids) are usually insoluble in most hydrometallurgical systems, and they are difficult (and somewhat dangerous) to handle if they are in solution. But that does not have to be a problem. PGEs are often recovered in the form of "anode sludge" when copper or nickel is refined electrolytically.

Refining PGEs is a specialist business which is carried out at only a hand full of sites. So, most producers send their "anode sludge" and PGE concentrates to these specialist refiners. From memory I think that there are only four such sites: Sudbury, somewhere in South Africa, somewhere in northern Europe, and Norilsk.
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