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2 116 993

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IPC

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Application

97114270/25, 1997-08-20

(22)

Actual filing date

1997-08-20

(45)

Published

1998-08-10

(72)

Inventor

Chernov V.S.Ehntenteev A.Z.Vakhrushev A.M.Chujanov V.G.Sof'In A.K.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF CONFERRING WATER-REPELLENT PROPERTIES TO POTASSIUM FERTILIZERS Russian patent published in 1998 - IPC

Abstract RU 2116993 C1

FIELD: inorganic fertilizers. SUBSTANCE: invention relates to potassium chloride fertilizer production involving flotation of potassium ore and consists in that, in flotation process, potassium chloride is treated by surfactant Ц oil fraction with boiling range 310-420 C, then dehydrated, dried, and treated by potassium ferrocyanide, urea and polyethylene glycol. EFFECT: eliminated hygroscopic property and prevented agglomeration on storage. 3 cl, 1 tbl

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RU 2 116 993 C1

Authors

Chernov V.S.

Ehntenteev A.Z.

Vakhrushev A.M.

Chujanov V.G.

Sof'In A.K.

Dates

1998-08-10—Published

1997-08-20—Filed

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