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2 115 636

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Application

97102383/25, 1997-02-18

(22)

Actual filing date

1997-02-18

(45)

Published

1998-07-20

(72)

Inventor

Poliksha A.M.Papulov L.M.Makhnev V.B.Frolov N.P.Chistjakov A.A.Safrygin Ju.S.Osipova G.V.Buksha Ju.V.Timofeev V.I.Cherepanova T.I.Konoplev E.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PREPARING GRANULATED POTASSIUM CONTAINING FERTILIZERS Russian patent published in 1998 - IPC

Abstract RU 2115636 C1

FIELD: agriculture, more particularly, manufacture of granulated potassium containing fertilizers. SUBSTANCE: granulated potassium containing fertilizers are prepared by pressing mixture of potassium chloride with urea or other mineral components. Potassium chloride has humidity content of 1-10%, and mineral component includes calcined dolomites or lime stones in amount of 5-40% by weight of granulated fertilizer and also nitrogen and/or phosphorus containing compounds the content of which in granulated potassium fertilizer is determined by requirements of particular agricultural customers. Use of the present invention makes it possible to simplify process, reduce power consumption due to lower expenses for heating reaction mixture to melting temperature and drying potassium chloride. EFFECT: improved properties of the granulated potassium containing fertilizers. 2 cl, 5 ex

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RU 2 115 636 C1

Authors

Poliksha A.M.

Papulov L.M.

Makhnev V.B.

Frolov N.P.

Chistjakov A.A.

Safrygin Ju.S.

Osipova G.V.

Buksha Ju.V.

Timofeev V.I.

Cherepanova T.I.

Konoplev E.V.

Dates

1998-07-20—Published

1997-02-18—Filed

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