Extraction method for refractory precious metal ore

Details Extraction method for refractory precious metal ore Extraction method for refractory precious metal ore

1981-09-08

1983-12-20

Heller, Gregory A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

423 29, 423 31, 75105, 75118R, C01G 5500, C01G 300, B01D 1100, B01F 100

Patent

active

044217242

ABSTRACT:
Cyanic extraction of precious metal from comminuted, refractory precious metal ore as well as refractory precious metal concentrates and tailings from such ore is effected with rapidity and high yield by agitationally treating the refractory material with an aerated, alkaline solution containing a high concentration of water soluble cyanide and a low concentration of chemical oxidizer such as potassium permanganate.

REFERENCES:
patent: 483766 (1892-10-01), Moldenhauer
patent: 4038362 (1977-07-01), Guay
Chemical Abstracts, vol. 67, No. 4, 14684w.
Chemical Abstracts, vol. 67, No. 16, 76616.
Gold and Silver Cyanidation Plant Practice, McQuiston et al., 1975, pp. 19-25.
Manual of Cyanidation, Hamilton, 1920, pp. 1-9.
Encyclopedia of Science and Technology, McGraw-Hill, 5 Ed., p. 825, 1981.
Chemical Abstracts, vol. 70, No. 2, 6439s.
Chemical Abstracts, vol. 68, No. 24, 107721s.
Dorr & Bosqui, Cyanidation and Concentration of Gold and Silver Ores, 1950, pp. 210-211.

Affiliated with

Also associated with

Rating

Extraction method for refractory precious metal ore does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extraction method for refractory precious metal ore, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extraction method for refractory precious metal ore will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-107131