NITROGEN, CALCIUM, AND SULFUR-CONTAINING COMPLEX FERTILIZER MANUFACTURING PROCESS Russian patent published in 2007 - IPC C05G1/08 C05C1/02

Abstract RU 2306304 C1

FIELD: mineral fertilizers.

SUBSTANCE: ammonium nitrate melt containing no more than 0,8% moisture is mixed with calcium-containing component, namely solid product obtained from treatment of naturally occurring calcium phosphate with sulfuric acid and/or ammonium sulfate in nitric acid, wherein calcium sulfate obtained is in hemihydrate form. Thus obtained mix is granulated via prilling process.

EFFECT: improved consumer's properties of fertilizer due to elevated strength of granules and lower conglomeration thereof.

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RU 2 306 304 C1

Authors

Sezemin Vladimir Alekseevich

Abramov Oleg Borisovich

Dates

2007-09-20—Published

2006-01-10—Filed