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IPC

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Application

96112638/03, 1996-06-24

(22)

Actual filing date

1996-06-24

(45)

Published

1998-08-20

(72)

Inventor

Semidalov S.Ju.Karpenko L.P.Nevskij Ju.N.Bushueva N.Ju.Gorjajnov V.Eh.Gorjajnova L.V.Shmidt A.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ural'Skij Nauchno-Issledovatel'Skij I Proektnyj Institut Mednoj Promyshlennosti

METHOD OF ENRICHING CHROMATE PRODUCTION WASTE Russian patent published in 1998 - IPC

Abstract RU 2117533 C1

FIELD: mineral dressing. SUBSTANCE: invention concerns a method consisting in stage grinding of waste and separation of ground material by gravity techniques to produce chromium-, magnesium- and light metal- containing concentrates. According to invention, ground material is subjected to first gravity separation step, in which light fraction in the form of light metal-concentrate and heavy fraction in the form of chromium- and magnesium-containing intermediate product is produced. Heavy fraction is then additionally ground and subjected to separating into chromium- and magnesium-containing concentrates. EFFECT: increased chromium recovery. 2 cl, 1 dwg, 3 tbl

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RU 2 117 533 C1

Authors

Semidalov S.Ju.

Karpenko L.P.

Nevskij Ju.N.

Bushueva N.Ju.

Gorjajnov V.Eh.

Gorjajnova L.V.

Shmidt A.N.

Dates

1998-08-20—Published

1996-06-24—Filed

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