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Gold/Mining/Energy : Global Platinum & Gold (GPGI)
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To: Richard Mazzarella who wrote (8414)11/11/1998 4:24:00 PM
From: Scott Wheeler  Read Replies (2) of 14226
 
Richard, when I was a kid growing up in the tropics, we used to play
around the salt flats. They let in seawater and then allowed the ponds
to evaporate until salt crystals formed, and raked up the crystals in
piles to dry. While raking won't work for metals extraction at OG,
perhaps concentration by pond evaporation can. The energy use for concentrating the leachate is free, and the pond can simply be replenished by pump as needed. While evaporation will occur anytime
during the year in AZ, it would be especially productive in the warmer months. I am only thinking aloud here, and have no idea how concentrated it ought to get before passing thru the columns, but costs should be much less than the ore-leaching methods. So even if the yields are small, it still could contribute to the bottom line.
Any hydrologists out there know how much can evaporate from a pond
X by Y for Z days?
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