C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/226
C22B 11/08 (2006.01) C22B 3/00 (2006.01) C22B 7/00 (2006.01)
Patent
CA 1139569
ABSTRACT Percolation leaching of gold or silver ores, tailings or wastes is accomplished by a process comprisng intial agglo- meration of fines in the feed by means of a binding agent and cyanide solution, followed by aging and, subsequently, leaching to recover gold or silver values.
349653
Heinen Harold J.
Lindstrom Roald E.
Mcclelland Gene E.
Heinen Harold J.
Lindstrom Roald E.
Mcclelland Gene E.
Smart & Biggar
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