Title:
IMPROVED PROCESS FOR RECOVERING PRECIOUS METALS FROM CLAY-CONTAINING ORES
Document Type and Number:
WIPO Patent Application WO/2016/004431
Kind Code:
A3
Abstract:
A solution for leaching precious metals from clay containing ore and a method of leaching ore is described. The solution comprises a cyanide, a wetting agent, and a clay stabilizing polymer. In a first embodiment a solution for leaching precious metals from clay containing ore comprises cyanide, a wetting agent, and a clay stabilizing polymer with a pH of at least 8 to no more than 11.
Inventors:
PALMER CHARLES F JR (US)
MCKIERNAN JOHN W (US)
PALMER CHARLES F III (US)
MCKIERNAN JOHN W (US)
PALMER CHARLES F III (US)
Application Number:
PCT/US2015/039223
Publication Date:
April 21, 2016
Filing Date:
July 06, 2015
Export Citation:
Assignee:
ETHOX CHEMICALS LLC (US)
International Classes:
C22B11/08
Foreign References:
| US5332559A | 1994-07-26 | |||
| US20080172937A1 | 2008-07-24 |
Attorney, Agent or Firm:
GUY, Joseph, T. et al. (LLC200 N. Main Street, Suite 30, Greenville SC, US)
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