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2 539 145

(13)

(51)

IPC

C05G1/00(2006-01-01)

(21) (22)

Application

2013135074/13, 2013-07-25

(24)

Start date

2013-07-25

(22)

Actual filing date

2013-07-25

(45)

Published

2015-01-10

(72)

Inventor

Aliev Zazav MustafaevichMagomedova Dzhamilja Shamilovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet"

METHOD OF PRODUCTION OF COMPOUND NITROGEN-PHOSPHORUS FERTILISER Russian patent published in 2015 - IPC C05G1/00

Abstract RU 2539145 C1

FIELD: agriculture.

SUBSTANCE: method of production of compound nitrogen-phosphorus fertiliser comprises neutralising with ammonia of nitric acid with addition of phosphoric acid, and the solution of nitric acid and phosphorous are fed to the autoclave and then oxygen at a pressure of 0.5-0.6 MPa, and the resulting solution is neutralised with ammonia and sulphate aluminium is added.

EFFECT: invention enables to improve the economic efficiency of the process of production of compound nitrogen-phosphorus fertiliser.

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RU 2 539 145 C1

Authors

Aliev Zazav Mustafaevich

Magomedova Dzhamilja Shamilovna

Dates

2015-01-10—Published

2013-07-25—Filed