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2 240 295

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Application

2003114725/15, 2003-05-20

(24)

Start date

2003-05-20

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Actual filing date

2003-05-20

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Published

2004-11-20

(72)

Inventor

Serebrjakov A.I.Konvisar L.V.

(73)

Holder

Serebrjakov Aleksandr Ivanovich

NITROGEN-POTASSIUM FERTILIZER AND A METHOD FOR PRODUCTION THEREOF Russian patent published in 2004 - IPC

Abstract RU 2240295 C1

FIELD: mineral fertilizers.

SUBSTANCE: nitrogen-potassium fertilizer containing 17 to 33.5% nitrogen in the form of NH4NO3 and 1 to 25% K2O in the form of K2SO4/KCl mixture is prepared by mixing ammonium nitrate in the form of melt with potassium chloride-sulfate mixture, granulating pulp in presence of magnesium sulfate in drum-type granulator while maintaining product temperature fall rate in lengthwise drum direction between 1.4 and 4.0оС.

EFFECT: improved physico-mechanical and agrochemical properties of fertilizer and increased number of agricultural cultures for effective application.

4 cl, 6 ex

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RU 2 240 295 C1

Authors

Serebrjakov A.I.

Konvisar L.V.

Dates

2004-11-20—Published

2003-05-20—Filed

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