Leaching of Minerals
AssigneeGlencore Technology Pty Limited
InventorsMichael Matthew Hourn, Daniel Mallah, Paul Voigt, Duncan Turner
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Abstract
A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprises milling the mineral composition to a particle size of P80 of less than 25 μm and leaching the mineral composition in the presence of lime and/or limestone and a soluble alkali complexing agent and in the presence of an oxygen containing gas at a pH in the range of from 3.5 to 6.
Claims17
A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprising milling the mineral composition to a particle size of P80 of less than 25 μm and leaching said mineral composition in the presence of lime and/or limestone and a soluble alkali complexing agent and in the presence of an oxygen containing gas at a pH in the range of from 3.5 to 6.
Dependencies are inferred from the claim text.