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2 042 626

(13)

(51)

IPC

(21) (22)

Application

5026633/26, 1992-01-13

(22)

Actual filing date

1992-01-13

(45)

Published

1995-08-27

(72)

Inventor

Istomin S.P.Plekhanov I.G.Zaruba A.A.

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij, Konstruktorskij I Proektnyj Institut Aljuminievoj, Magnievoj I Ehlektrodnoj Promyshlennosti

METHOD FOR REMOVING FLUORINE OF FLUORINE-CONTAINING SOLUTIONS Russian patent published in 1995 - IPC

Abstract RU 2042626 C1

FIELD: chemical technology. SUBSTANCE: fluorine-containing solution is treated by calcium carbonate being ground to size 5-15 μm and heated to 100-400 C by pulse abrasion. Mass ratio of calcium and fluorine ions is (1-1.8):1. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 042 626 C1

Authors

Istomin S.P.

Plekhanov I.G.

Zaruba A.A.

Dates

1995-08-27—Published

1992-01-13—Filed