Nitric Acid In Gold Production Cobalt Mining Production

Nitric Acid In Gold Production Cobalt Mining Production

a sulfide ore material containing sulfide iron and values of one or more metals in the group consisting of copper, nickel, cobalt and silver, is subjected to leaching with an aqueous solution of nitric acid under conditions controlled to insure the formation of easily filterable hydrogen jarosite 3fe2o3.so3.4so3.9h3o, or a similar butless desirable iron compound 2fe2o3.so3.5h2o, which in ...

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