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2 350 585

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(51)

IPC

C05C1/00(2006-01-01)

(21) (22)

Application

2007126026/15, 2007-07-09

(24)

Start date

2007-07-09

(22)

Actual filing date

2007-07-09

(45)

Published

2009-03-27

(72)

Inventor

Abramov Oleg BorisovichBojkov Sergej VladimirovichZhuravlev Vladimir NikolaevichZakharova Ol'Ga MikhajlovnaKiselevich Petr ViktorovichKoshcheev Vladimir Anatol'EvichMedjantseva Dar'Ja Gennad'EvnaMukhacheva Tat'Jana EfimovnaNaumov Anatolij Alekseevich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Mineral'Nykh Udobrenij Kirovo-Chepetskogo Khimicheskogo Kombinata" Kchkhk")

METHOD OF CALCIUM NITROGEN SULPHATE FERTILISER MANUFACTURING Russian patent published in 2009 - IPC C05C1/00

Abstract RU 2350585 C1

FIELD: chemistry.

SUBSTANCE: method of complex nitrogen, calcium and sulphur containing fertiliser manufacturing can be applied in chemical industry. Substance of the method consists in preparation of aqueous suspension of humidity 5÷16 wt %, containing ammonia nitrate and sulphate and calcium salts. Then it is granulated in granulating drum dryer. Granulating is applied for suspension prepared from calcium nitrate solution processed with ammonium sulphate with ammonium nitrate solution added. It is followed with evaporating at final temperature 142÷155°C.

EFFECT: fertiliser meets state-of-the-art granulation requirements, higher granule strength.

8 cl, 1 ex

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RU 2 350 585 C1

Authors

Abramov Oleg Borisovich

Bojkov Sergej Vladimirovich

Zhuravlev Vladimir Nikolaevich

Zakharova Ol'Ga Mikhajlovna

Kiselevich Petr Viktorovich

Koshcheev Vladimir Anatol'Evich

Medjantseva Dar'Ja Gennad'Evna

Mukhacheva Tat'Jana Efimovna

Naumov Anatolij Alekseevich

Dates

2009-03-27—Published

2007-07-09—Filed