Back to results
US 11,028,025 B2Granted
Pelletising process using starch
AssigneeYork Potash Ltd
InventorsSteve Farnworth, Mike Evans, Jim Evans
Life of this patent
Estimating the term…
Abstract
A method for manufacturing a pelletised mineral product, the method comprising: in a first mixing step, forming a first mixture by mixing the evaporite mineral with non-gelatinised starch under conditions that are insufficient to substantially gelatinise the starch; in a second mixing step, forming a second mixture by mixing the first mixture under conditions that are sufficient to substantially gelatinise the starch comprised within the first mixture; and forming the second mixture into pellets.
Claims21
A method for manufacturing a pelletised mineral product, the method comprising:
- in a first mixing step, forming a first mixture by mixing polyhalite with non-gelatinised starch under conditions that are insufficient to substantially gelatinise the starch;
- in a second mixing step, forming a second mixture by mixing the first mixture under conditions that are sufficient to substantially gelatinise the starch comprised within the first mixture;
- and
- forming the second mixture into pellets;
- wherein the pellets comprise greater than 75% by weight polyhalite.
2 more elements
Dependencies are inferred from the claim text.