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US 11,535,910 B2Granted
Method for preparing a leach feed matertial
AssigneeTng Limited
InventorsDamian Edward Gerard Connelly, Denis Stephen Yan
Life of this patent
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Abstract
A method (10) for preparing a leach feed material, the method (10) comprising the steps of: passing an ore or concentrate containing vanadium and iron to a reduction step (12) to form a reduced ore or concentrate; and passing the reduced ore or concentrate to a ferric leach step (14) to produce a ferric leachate containing iron and a ferric leach residue containing vanadium, wherein the ferric leach residue is suitable for use as the leach feed material for extracting and recovering vanadium.
Claims22
A method for preparing a leach feed material, the method comprising the steps of:
- passing an ore or concentrate containing vanadium and iron to a reduction step to form a reduced ore or concentrate;
- and
- passing the reduced ore or concentrate to a ferric leach step, conducted with ferric chloride in a concentration of between 20 to 40% w/w, to produce a ferric leachate containing iron and a ferric leach residue containing vanadium,
- whereafter the ferric leach residue is used as a leach feed material for extracting and recovering vanadium.
1 more element
Dependencies are inferred from the claim text.