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Application

5009307/02, 1991-11-12

(22)

Actual filing date

1991-11-12

(45)

Published

1994-12-30

(72)

Inventor

Leonov A.A.Gornov V.N.Dubinin V.A.Sal'Nikov V.I.Lebedev V.A.

(73)

Holder

Ural'Skij Gosudarstvennyj Tekhnicheskij Universitet

METHOD TO REPROCESS WASTES OF ALUMINIUM-LITHIUM ALLOYS Russian patent published in 1994 - IPC

Abstract RU 2025517 C1

FIELD: aluminium-lithium alloys waste utilization. SUBSTANCE: comminuted wastes (chips, small-size scrap) are mixed with potassium chloride. The mixture is chlorinated as a solid at a temperature below metal melting point. Then the mixture is heated up to metal melting point, and the melt is mixed up to forming liquid salt flux containing lithium chloride. EFFECT: increased efficiency of waste reprocessing by chlorination; lithium extraction from aluminium-lithium wastes into salt phase in the form of chloride with formation of salt mixture containing potassium and lithium chlorides. 1 tbl

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RU 2 025 517 C1

Authors

Leonov A.A.

Gornov V.N.

Dubinin V.A.

Sal'Nikov V.I.

Lebedev V.A.

Dates

1994-12-30—Published

1991-11-12—Filed

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