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(21) (22)

Application

96112476/02, 1996-06-18

(22)

Actual filing date

1996-06-18

(45)

Published

1998-01-27

(72)

Inventor

Bonokina M.N.Chumaevskij V.A.Chumaevskij O.V.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF RECOVERING ZINC FROM ZINC-CONTAINING WASTE Russian patent published in 1998 - IPC

Abstract RU 2103387 C1

FIELD: waste disposal. SUBSTANCE: zinc-containing materials, in particular, zinc cuttings, without preliminary crushing, are placed into water and to the mixture obtained, phosphoric acid is added under stirring at zinc/phosphorus pentoxide/water ratio (0.94-1):(3.15-3.88):(1.56- 3.02). Zinc is recovered at 20-45 C. EFFECT: facilitated recovery procedure. 3 cl

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RU 2 103 387 C1

Authors

Bonokina M.N.

Chumaevskij V.A.

Chumaevskij O.V.

Dates

1998-01-27—Published

1996-06-18—Filed

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