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Application

2001123518/12, 2001-08-22

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Start date

2001-08-22

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Actual filing date

2001-08-22

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Published

2003-04-20

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Inventor

Abramov O.B.Afanasenko E.V.Dedov A.S.Loginov N.D.Machekhin G.N.Sezemin V.A.Sinichenkov V.F.Utkin V.V.Shustov V.V.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Khimicheskij Kombinat Im. B.P. Konstantinova"

METHOD OF PRODUCTION OF COMPLEX FERTILIZER Russian patent published in 2003 - IPC

Abstract RU 2202523 C1

FIELD: production of complex fertilizers, such as triple nitroammophoska with use of potassium chloride as potassium component. SUBSTANCE: proposed method includes decomposition of phosphate raw material by nitric acid, mixing ammoniated suspension with potassium chloride, granulation and drying of target product by heating gases in drum-type granulator drier. According to invention, ammoniated suspension is evaporated to moisture content of 9.1-11 mass-% before mixing it with potassium chloride; temperature of heating gases at granulator inlet is not above 185 C, preferably 160 to 180 C; moisture content of ammoniated suspension with potassium chloride directed to granulator ranges from 7 to 13 mass-%. Proposed method enhances safety of granulation process with no reduction in productivity of granulator and makes it possible to make fertilizers containing N, P2O5 and K2O nutritious agents, 16 mass-% each. EFFECT: enhanced efficiency. 2 cl, 1 ex

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RU 2 202 523 C1

Authors

Abramov O.B.

Afanasenko E.V.

Dedov A.S.

Loginov N.D.

Machekhin G.N.

Sezemin V.A.

Sinichenkov V.F.

Utkin V.V.

Shustov V.V.

Dates

2003-04-20—Published

2001-08-22—Filed

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