METHOD FOR DUST DEPRESSING OF POTASSIUM FERTILIZERS Russian patent published in 1998 - IPC

Abstract RU 2106380 C1

FIELD: production of potassium fertilizer. SUBSTANCE: method is carried out by conditioning of potassium fertilizer with the help of hydroxyl-containing reagents together with urea. Ethanol amines which comprises diethanol- or methyl diethanol amine (its quantity being 5-40 mass %) and triethanol amine having urea additive at their mass ratio 1:0.5-4 respectively are proposed for usage. Ethanol amines having mentioned above composition may be used free compounds, or as its 30-70 % solution in polyethylene glycol. Molecular weight of said polyethylene glycol is 120-400. EFFECT: improved physical and mechanical properties of desired fertilizer. 2 cl, 1 tbl

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RU 2 106 380 C1

Authors

Skvirskij L.Ja.

Kozel Z.L.

Sabirov R.Kh.

Chernov V.S.

Frolov N.P.

Vakhrushev A.M.

Dates

1998-03-10—Published

1995-04-19—Filed