Ammonia extraction of gold and silver from ores and other materi

Details Ammonia extraction of gold and silver from ores and other materi Ammonia extraction of gold and silver from ores and other materi

1990-12-14

1992-05-19

Morris, Theodore

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 23, 423 27, 423 30, 423 33, 423 34, 75733, 75734, 75736, 75741, 75744, C01G 314

Patent

active

051146878

ABSTRACT:
Gold and silver are extracted from their elemental state or from complex ores and alloys by leaching them with a solution containing ammonia, ammonium salts and one or more oxidants. The process is particularly effective for refractory gold ores including sulfide and carbonaceous ores.

REFERENCES:
patent: 3775099 (1973-11-01), Coffield et al.
patent: 3988415 (1976-10-01), Barr
patent: 4070182 (1978-01-01), Genik-Sas-Berezowsky et al.
patent: 4093698 (1978-06-01), Cardwell et al.
patent: 4137291 (1979-01-01), Cardwell et al.
patent: 4146572 (1979-03-01), Cardwell et al.
patent: 4269622 (1981-05-01), Kerley, Jr.
patent: 4369061 (1983-01-01), Kerley, Jr.
patent: 4654078 (1987-03-01), Perez et al.
patent: 4980134 (1990-12-01), Butler

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