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US 12,729,161 B2Granted
Binder for an agglomeration process
AssigneeMintek
InventorsStefan Walters Robertson, Sibabalwe Mxinwa, Petrus Basson, Mpumelelo Success Ndhlalose, Duduzile Nontobeko Nxumalo
Life of this patent
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Abstract
A binder for use in leaching a heap of a low-permeability ore containing at least one of the following: copper ore, copper/cobalt ore, nickel laterite ore and uranium ore, wherein the binder comprises an acid-proof cement formed by modifying ordinary Portland cement (OPC) with a supplementary cementitious material (SCM).
Claims13
A binder for use in leaching a heap of a low-permeability ore containing at least one of the following:
- copper ore, copper/cobalt ore, nickel laterite ore and uranium ore, wherein the binder is ordinary Portland cement (OPC) which is modified with a supplementary cementitious material (SCM) to improve acid resistance.
Dependencies are inferred from the claim text.