Forming evaporite mineral products and their use as fertiliser
AssigneeYork Potash Ltd
InventorKarl Houseley
Life of this patent
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Abstract
A method for separating a particulate stream of an evaporite mineral feedstock, the method comprising passing the stream to an air classifier configured to separate the particulate stream into a fine component and a coarse component.
Claims12
A method for separating a particulate stream of an evaporite mineral feedstock, the method comprising passing the stream to an air classifier configured to separate the particulate stream into a fine component and a coarse component;
- and pelletising at least part of the fine component.
A method for separating a particulate stream of an evaporite mineral feedstock, the method comprising passing the stream to an air classifier configured to separate the particulate stream into a fine component and a coarse component;
- wherein at least 90% by mass of the fine component has a maximum diameter less than 400 μm, the evaporite mineral is polyhalite, and the density of the evaporite mineral is in the range from 2.6 g/cm3 to 3.0 g/cm3.
Dependencies are inferred from the claim text.