C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 11/00 (2006.01) C22B 1/00 (2006.01) C22B 3/08 (2006.01) C22B 3/20 (2006.01)
Patent
CA 2654818
The present invention is directed to a precious metal recovery process in which basic ferric sulphates and/or jarosites are controlled by hot curing of the autoclave discharge slurry followed by decomposition of argentojarosite using strong acid consumers.
La présente invention concerne un procédé de récupération de métaux précieux dans lequel des jarosites et/ou des sulfates ferriques basiques sont régulés par le durcissement à chaud de la suspension épaisse de décharge de l'autoclave suivi de la décomposition de l'argentojarosite en utilisant des agents consommant des acides forts.
Choi Yeonuk
Kondos Peter D.
Mcmullen Jacques
Barrick Gold Corporation
Goodwin Mckay
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