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2 048 563

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Application

93026767/02, 1993-05-25

(22)

Actual filing date

1993-05-25

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Published

1995-11-20

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Inventor

(73)

Holder

Cheljabinskij Ehlektrolitnyj Tsinkovyj Zavod

METHOD FOR INDIUM CONCENTRATION FROM ZINC SULFATE SOLUTIONS Russian patent published in 1995 - IPC

Abstract RU 2048563 C1

FIELD: extraction of indium from zinc sulfate solutions with di-2-ethylhexyl phosphate and reextraction of metal with sulfuric acid solution. SUBSTANCE: products of extraction and reextraction (reusable extractant and raffinate) prior to further processing are directed to apparatus for centrifugal separation of aqueous and organic phases. EFFECT: higher efficiency. 2 cl, 1 dwg, 1 tbl

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RU 2 048 563 C1

Authors

Dates

1995-11-20—Published

1993-05-25—Filed

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