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2 068 034

(13)

C1

(51)

IPC

(21) (22)

Application

93046056/02, 1993-09-29

(22)

Actual filing date

1993-09-29

(45)

Published

1996-10-20

(72)

Inventor

D'Jakov V.E.

(73)

Holder

Aktsionernoe Obshchestvo Olovjannyj Kombinat"

METHOD OF BLACK TIN ELECTROLYTIC REFINING Russian patent published in 1996 - IPC

Abstract RU 2068034 C1

FIELD: non-ferrous metallurgy, tin refining by electrolysis in particular. SUBSTANCE: method of electrolytic refining of black tin provides for tin settling on cathode. In the case before settling tin granules are mixed with waste electrolyte taken from anode zone of electrolyzer, in which hydrochloric acid is added till concentration of chloric tin in electrolyte achieves 40 - 60 g/l and produced mixture is blown-through by air. EFFECT: improved process.

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RU 2 068 034 C1

Authors

D'Jakov V.E.

Dates

1996-10-20—Published

1993-09-29—Filed

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