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US 2026/0109656 A1Published application
A mineral phosphate ash based fertilizer and a process for the production thereof
OwnerLucas JOHANNES WILLIAM VAN DER SAAG, Khalil ABU-RABEAH +3inventors
InventorsLucas JOHANNES WILLIAM VAN DER SAAG, Khalil ABU-RABEAH, Amir GERBER, Johan FRED VAN THIEL, Anthony ZANELLI
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Abstract
There is provided herein a mineral phosphate ash fertilizer comprising a NAC solubility of at least 90% of total amount of P2O5 and a water solubility of 15-80% of the total amount of P2O5.
Claims15
A mineral phosphate ash fertilizer comprising a NAC solubility of at least 90% of total amount of P2O5 and a water solubility of 15-80% of the total amount of P2O5.
A process for the production of a mineral phosphate ash fertilizer comprising P2O5, said process comprising:
- mixing a mineral phosphate ash with a gas and sulfuric acid, phosphoric acid or a combination thereof, to provide an intermediate product;
- maintaining the intermediate product in a reactor or a belt between 2 minutes to 2 hours, to provide a cured intermediate product;
- and
- mixing said cured intermediate product with water or steam in a granulator.
1 more element
Dependencies are inferred from the claim text.