C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/18 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2388990
A method of operating a bioleach process for the leaching of a sulfide bearing oreor concentrate includes subjecting a bioleach slurry which includes dissolved oxygen, dissolved carbon dioxide, sulphide and microorganisms to a bioleach stage, and controlling the redox potential of the bioleach slurry within a predetermined range.
Cette technique de lixiviation biologique permettant de procéder à la lixiviation de minerai ou de concentrat renfermant un sulfure, consiste à soumettre à une lixiviation biologique une bouillie renfermant de l'oxygène et du dioxyde de carbone dissous, un sulfure et des micro-organismes, ainsi qu'à agir sur le potentiel d'oxydo-réduction de la bouillie pour maintenir cette oxydo-réduction dans une plage prédéterminée.
Gericke Mariekie
Pinches Anthony
Van Rooyen Johan Vincent
Dennison Associates
Mintek
LandOfFree
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