C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/04 (2006.01) C22B 11/00 (2006.01) C22B 15/00 (2006.01) C22B 23/00 (2006.01)
Patent
CA 2650043
The invention provides a recycling step in an oxidative pressure leaching process for recovery of metals using halide ions, in which a portion of the leached solids are recycled back to the feed to the autoclave, to allow two or more passes through the high temperature leaching step.
La présente invention concerne une étape de recyclage dans un procédé de lixiviation oxydante sous pression destiné à récupérer des métaux au moyen d'ions halogénures, une portion des solides ayant subi une lixiviation étant recyclés dans l'alimentation vers l'autoclave, afin de permettre deux passes ou davantage par l'étape de lixiviation à haute température.
Dreisinger David
Fleming Chris A.
International Pgm Technologies
Smart & Biggar
LandOfFree
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