METHOD FOR REMOVING PHOSPHOROUS OF SLIMES Russian patent published in 1996 - IPC

Abstract RU 2060932 C1

FIELD: method for processing of slimes. SUBSTANCE: slime is treated by nitric acid having concentration 2.5-4.0 mass %, the process is carried out by heating reaction mixture to 50-70 C at rate 1-5 C/min. Ratio of slime and nitric acid is 1:(1-4). EFFECT: improves efficiency of method. 1 tbl

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RU 2 060 932 C1

Authors

Kozlov V.I.

Katkov V.I.

Buloshnikova L.F.

Sokolov V.I.

Dates

1996-05-27—Published

1993-08-12—Filed