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2 006 494

(13)

(51)

IPC

(21) (22)

Application

5022273/26, 1992-01-21

(22)

Actual filing date

1992-01-21

(45)

Published

1994-01-30

(72)

Inventor

Babkin Valerij VeniaminovichKucha Mikhail IvanovichBrodskij Aleksandr AleksandrovichRezen'Kov Mikhail Ivanovich

(73)

Holder

Babkin Valerij VeniaminovichKucha Mikhail IvanovichBrodskij Aleksandr AleksandrovichRezen'Kov Mikhail Ivanovich

METHOD OF PRODUCING NITROGEN-PHOSPHORIC FERTILIZER Russian patent published in 1994 - IPC

Abstract RU 2006494 C1

FIELD: agriculture. SUBSTANCE: method involves phosphoric acid neutralization with the help of ammonia to molar ratio 1.6-1.6. The process is followed by spraying pulp having viscosity 10-60 MPa. s into particles of recycle. The process is carried out by removing moisture together with tail gases with the help of compressed air. Then granulation and drying take places. Pulp expense is 0.01-0.09 kg per 1 kg of recycle by spraying. Gases are carried off at rate 2.0-3.0 m/s. EFFECT: improved physical properties of the product.

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RU 2 006 494 C1

Authors

Babkin Valerij Veniaminovich

Kucha Mikhail Ivanovich

Brodskij Aleksandr Aleksandrovich

Rezen'Kov Mikhail Ivanovich

Dates

1994-01-30—Published

1992-01-21—Filed