FIELD: metallurgy.
SUBSTANCE: invention relates to hydrometallurgy of non-ferrous metals, namely to production of cobaltous oxide Co3O4 for hard alloys of WC-Co type manufacturing. The cobaltous oxide is deposited from nitric solution of cobalt containing feed stock by treatment in autoclave by ammonium hydroxide (NH4OH) at 240-260°C for 1-2 h.
EFFECT: assurance of deposition containing 98% of cobaltous oxide.
2 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| COBALT OXIDE POWDER PRODUCTION METHOD | 2018 |
|
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| METHOD OF RECOVERY OF COBALT FROM COBALT-CONTAINING MATERIAL | 1998 |
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| PROCEDURE FOR PROCESSING OXIDISED NICKEL-, COBALT-, IRON-, AND MAGNESIUM-CONTAINING ORE | 2009 |
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| METHOD OF PREPARING COBALT /II/ SULFATE | 1998 |
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| ELECTROCHEMICAL PROCESSING METHOD OF METAL WASTES OF TUNGSTEN-COPPER ALLOY WASTES | 2011 |
|
RU2479652C1 |
| METHOD OF PRODUCTION OF COBALTOUS SULFATE | 1998 |
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| METHOD FOR OBTAINING COBALT AND ITS COMPOUNDS | 2010 |
|
RU2444574C1 |
