Integrated, tank/heap biooxidation process

Details Integrated, tank/heap biooxidation process Integrated, tank/heap biooxidation process

1997-05-16

1999-02-23

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75712, 75743, 75744, C22B 318

Patent

active

058739270

ABSTRACT:
A metal-containing refractory sulfide ore is split into a first portion and a second portion. The first portion is partially biodigested by a sulfide-digesting microorganism in a biooxidation reactor where the microorganism is acclimated to the sulfide "diet" provided by the ore. The partially digested ore is then combined with the second portion. The resulting material is then dewatered, biooxidized and subjected to a lixiviation process.

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