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Gold/Mining/Energy : Global Platinum & Gold (GPGI) -- Ignore unavailable to you. Want to Upgrade?

To: Bob Walsh who wrote (6421)	6/27/1998 12:20:00 PM
From: Larry Brubaker	Read Replies (1) \| Respond to of 14226

Bob: Thanks. You've explained it simply enough that a non-chemist can at least get a picture of what is going on. Actually kind of sounds like Maxam's process.

To: Bob Walsh who wrote (6421)	6/27/1998 1:15:00 PM
From: Geoffrey J. Hay	Respond to of 14226

RE: Bobs description and water laden mine goodies: Thanks Bob. Excellent description. I'm learning tonnes on this thread. Tell me, is it worth while collecting the Cu after the PGMs have been extracted, or is so relatively inexpensive that its not cost efficient? If it is collected is it re-used in the smelt? PS: Thanks for checking on the results of the goodies collected from the mine water. I look forward to the results when you get them. Do you happen to know if there is actually a flowing waterbody within the mine shafts, or is it slow seepage? If the water got in, its got to get out, do the folks at GPGI happen to know where it goes to? If it comes to the surface I image the fine sediments carried along with it will also be rich in goodies. Maybe this area is also worth laying claim to, if not already done so? Regards. Geoff.

To: Bob Walsh who wrote (6421)	6/27/1998 1:37:00 PM
From: Zeev Hed	Read Replies (1) \| Respond to of 14226

Bob, three comments on the process. First do they inquart for all four nobles (Au, Pt, Pd and Rh). Second, are they planning to recover the silver? Third, if indeed they have resins that are not poisoned by copper, and all the copper goes through the first two bed, they will have to have a third bed to capture copper, like platters have to have, this because they cannot discharge copper to the environment. It is not a technical problem (it is done routinely in all PCB facilities) just an additional step (and cost). Zeev