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IPC

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Application

97104409/28, 1997-03-20

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Start date

1997-03-20

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Actual filing date

1997-03-20

(45)

Published

1999-10-27

(72)

Inventor

Baluev V.A.Cheremnykh G.S.Emel'Khovskij V.E.Kotrekhov V.A.Kunaev N.A.Moskalenko P.I.Titov G.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mekhanicheskij Zavod"

METHOD FOR RECOVERING CHLORINE, FLUORINE FROM ANODE GAS AND WASTE ELECTROLYTE FORMED IN PROCESS FOR ELECTRODEPOSITION OF ZIRCONIUM Russian patent published in 1999 - IPC

Abstract RU 2140465 C1

FIELD: processes for recovering chlorine, fluorine (freons) contained in anode gas, possibly processes for obtaining zirconium and other rare metals. SUBSTANCE: method comprises steps of bubbling anode gas through melt of waste electrolyte at temperature 720-850 C, feed rate 30-100 m³/m² in presence of zirconium-containing raw material and graphite refuse. EFFECT: possibility of recovering chlorine and fluorine from waste electrolyte. 6 cl

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RU 2 140 465 C1

Authors

Baluev V.A.

Cheremnykh G.S.

Emel'Khovskij V.E.

Kotrekhov V.A.

Kunaev N.A.

Moskalenko P.I.

Titov G.N.

Dates

1999-10-27—Published

1997-03-20—Filed