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Application filed by Kemira OyfiledCriticalKemira Oy
Priority to MYPI94000428ApriorityCriticalpatent/MY111644A/en
Publication of MY111644ApublicationCriticalpatent/MY111644A/en
A GRANULAR FERTILIZER PRODUCT CONTAINING N AND P AND/OR K WITH MORE USEFUL PROTERTIES HAS BEEN PREPARED BY(A) CONTACTING FINELY DIVIDED FERTILIZER MATERIAL CONTAINING N AND/OR P AND/OR K WITH WATER TO YEILD MOIST MIXTURE, AND (B) GRANULATING THE MOIST MIXTURE INTO A FERTILIZER GRANULATE AND, OPTIONALLY, (C) TREATING THE FERTILIZER GRANULATOR FURTHER TO YEILD SAID GRANULAR FERTILIZER PRODUCT.STEP (A) COMPRISES THE FOLLOWING SUBSTEPS:(I) THE FINELY DIVIDED FERTILIZER MATERIAL IS DIVIDED TO AT LEAST TWO PARTS, THE FIRST PART WHICH FORMS ABOUT 10 TO ABOUT 50 PERCENT BY WEIGHT OF THE WHOLE DIVIDED FERTILIZER MATERIAL,(II) SAID FIRST PART OF THE FINELY DIVIDED FERTILIZER MATERIAL IS CONTACTED WITH WATER TO YEILD AN AQUEOUS SLURRY CONTAININNG FROM 5 TO 30 PERCENT BY WEIGHT OF WATER, AND (III) SAID AQUEOUS SLURRY IS CONTACTED WITH THE REMAINING PART OF THE FINELY DIVIDED FERTILIZER MATERIAL TO YEILD SAID MOIST MIXTURE, WHICH HAS A WATER CONTENT OF ABOUT 5 PERCENT BY WEIGHT.
MYPI94000428A1994-02-241994-02-24A process for manufacturing compound fertilizers
MY111644A
(en)