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2 258 054

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IPC

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Application

2004105990/15, 2004-03-02

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Start date

2004-03-02

(22)

Actual filing date

2004-03-02

(45)

Published

2005-08-10

(72)

Inventor

Grishaev I.G.Grinevich V.A.Kolpakov Ju.A.Syrchenkov A.Ja.Rezen'Kov M.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Udobrenijam I Insektofungitsidam Im. Prof. Ja.V. Samojlova"

GRANULATED CONDITIONED FERTILIZER MANUFACTURE PROCESS Russian patent published in 2005 - IPC

Abstract RU 2258054 C1

FIELD: mineral fertilizers.

SUBSTANCE: invention relates to granulated mineral fertilizers containing ammonium phosphates modified by surfactants and powdering substances, which do not lose their physicochemical properties during transportation and storage. Manufacture process comprises granulation of ammonium phosphate pulp, drying of granules, sorting and selection of commercial fraction, cooling and addition of modifying supplements. The latter are added in the cooling stage into zone with bed temperature by 5-10°C exceeding temperature of cooled product. Conditioning additives utilized can be either only liquid or the same mixed with dry powdering substances.

EFFECT: improved quality of surface coverage and simplified process.

2 cl, 3 ex

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RU 2 258 054 C1

Authors

Grishaev I.G.

Grinevich V.A.

Kolpakov Ju.A.

Syrchenkov A.Ja.

Rezen'Kov M.I.

Dates

2005-08-10—Published

2004-03-02—Filed