METHOD OF PREPARING GRANULATED LIME-POTASSIUM MAGNESIUM FERTILIZERS Russian patent published in 2000 - IPC

FIELD: manufacture of mineral fertilizer. SUBSTANCE: milled electrolyte which is waste resulting from magnesium or potassium chloride production waste or finely dispersed potassium chloride is mixed with milled dolomite, e. g. dolomite meal and dolomite hydrate in certain ratio, mixture is granulated in plate-type granulators, dried and sieved to obtain lime-potassium- magnesium fertilizers with high magnesium oxide about 7% and calcium oxide of about 8.5%. EFFECT: more efficient preparation method. 4 cl, 2 ex