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2 234 459

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C1

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IPC

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Application

2003112093/15, 2003-04-24

(24)

Start date

2003-04-24

(22)

Actual filing date

2003-04-24

(45)

Published

2004-08-20

(72)

Inventor

Kozel Z.L.Aliferova S.N.Novoselov V.A.Ershov V.N.Derjabin P.A.Subbotina V.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR COLORING POTASSIUM CHLORIDE Russian patent published in 2004 - IPC

Abstract RU 2234459 C1

FIELD: fertilizers.

SUBSTANCE: invention relates to manufacturing fertilizers, in particular, potassium chloride with distinctive color. Method involves coloring flotation potassium chloride with suspension containing iron oxide pigment and sodium meta-silicate with addition of water to provide the uniform distribution of pigment of surface of salt crystal. Treatment is carried out using moisture material before its drying. Product treated with suspension into mixer is fed to dying and treated then with anti-caking solution and dust-suppressing agent. Invention provides preparing flotation potassium chloride stained with red-brown color with the high fixation degree of dye on surface of crystals.

EFFECT: improved coloring method.

3 cl, 1 tbl

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RU 2 234 459 C1

Authors

Kozel Z.L.

Aliferova S.N.

Novoselov V.A.

Ershov V.N.

Derjabin P.A.

Subbotina V.V.

Dates

2004-08-20—Published

2003-04-24—Filed

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