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2 043 320

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IPC

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Application

5042214/26, 1992-05-15

(22)

Actual filing date

1992-05-15

(45)

Published

1995-09-10

(72)

Inventor

Grishaev I.G.Martynov V.A.Shkirov V.A.Shtoller Ja.V.Shtoller V.V.

(73)

Holder

Gidrometallurgicheskij Zavod Proizvodstvennogo Ob"Edinenija Gorno-Khimicheskij Kombinat"

METHOD OF PREPARING COMPLEX FERTILIZER WITH TRACE ELEMENTS Russian patent published in 1995 - IPC

Abstract RU 2043320 C1

FIELD: mineral fertilizer. SUBSTANCE: method involves mixing sulfuric acid with phosphorus-containing and trace element raw, ammoniation, drying and granulation. Firstly, sulfuric acid is mixed with iron-manganese ore at the ratio (1:18)-(1:8) and then with mother liquor of ammonium molybdate and phosphorus-containing raw taken at the ratio (1:18)-(1:12). Obtained pulp is filtered, liquid phase is ammoniated, dried and granulated. EFFECT: improved method of fertilizer preparing. 2 cl, 1 tbl

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RU 2 043 320 C1

Authors

Grishaev I.G.

Martynov V.A.

Shkirov V.A.

Shtoller Ja.V.

Shtoller V.V.

Dates

1995-09-10—Published

1992-05-15—Filed

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