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1 678 075

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A1

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IPC

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Application

4713831/02, 1989-05-29

(22)

Actual filing date

1989-05-29

(45)

Published

1995-11-27

(72)

Inventor

Belkin G.I.Gribov V.I.Agapov V.M.Vjatchaninov V.A.Galkin V.M.Startsev V.A.Paderina N.S.

METHOD OF PRODUCING PIG MASTER ALLOY MAGNESIUM-NEODYMIUM-ZIRCONIUM Russian patent published in 1995 - IPC

Abstract SU 1678075 A1

FIELD: nonferrous metallurgy. SUBSTANCE: method involves addition of fluoroneodymium with flux consisting of alkaline and alkaline-earth element chlorides at the ratio 2:1 and magnesium-zirconium master alloy to the liquid magnesium. Ratio between fluoroneodymium and magnesium chloride in flux is maintained at the range 100:(1-4), and flux is used as granules of the size 0.4-2.5 mm. The source of flux: spent electrolyte of magnesium electrolyzer of the following composition, wt.-% magnesium chloride 4-6; sodium chloride 8-18; potassium chloride 72-87, and impurities the rest. Method ensures to increase neodymium extraction to alloy up to 91% EFFECT: decreased zirconium loss. 2 cl, 3 tbl

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SU 1 678 075 A1

Authors

Belkin G.I.

Gribov V.I.

Agapov V.M.

Vjatchaninov V.A.

Galkin V.M.

Startsev V.A.

Paderina N.S.

Dates

1995-11-27—Published

1989-05-29—Filed

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