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2 281 274

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IPC

C05G1/08(2006-01-01)

C05C1/02(2006-01-01)

(21) (22)

Application

2005109216/15, 2005-03-31

(24)

Start date

2005-03-31

(22)

Actual filing date

2005-03-31

(45)

Published

2006-08-10

(72)

Inventor

Kazak Vladimir Grigor'EvichBrizitskaja Natal'Ja MitrofanovnaGrishaev Igor' Grigor'EvichDolgov Viktor Vasil'EvichMaljavin Andrej StanislavovichBirjukova Valentina Alekseevna

(73)

Holder

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

GRANULATED LIME-AMMONIA FERTILIZER MANUFACTURING PROCESS Russian patent published in 2006 - IPC C05G1/08 C05C1/02

Abstract RU 2281274 C1

FIELD: mineral fertilizers.

SUBSTANCE: process is accomplished in drum granulator-drier by spraying of suspension of lime-ammonium nitrate having moisture content 15-25% with air supplied under pressure, removing moisture in flue gas flow followed by cooling and classification of product. Invention is characterized by that, before spraying, inorganic polymers are added to suspension in amount large enough to increase viscosity of suspension by a factor of 2-5, said inorganic polymers being selected from suspensions of bentonite clays, attapulgite clays, liquid glass solution, Aerosil powder, and amorphous silica.

EFFECT: reduced dust formation and increased output of commercial product fraction.

2 cl, 1 tbl

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RU 2 281 274 C1

Authors

Kazak Vladimir Grigor'Evich

Brizitskaja Natal'Ja Mitrofanovna

Grishaev Igor' Grigor'Evich

Dolgov Viktor Vasil'Evich

Maljavin Andrej Stanislavovich

Birjukova Valentina Alekseevna

Dates

2006-08-10—Published

2005-03-31—Filed