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2 078 838

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C1

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Application

93046532/02, 1993-10-06

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Actual filing date

1993-10-06

(45)

Published

1997-05-10

(72)

Inventor

Sheveleva L.D.Nezhivykh V.A.Pavlichenko G.A.Eliseev N.I.Filjushkin G.A.Turovskij V.G.Zaplatnikov A.V.Nikolajchenkov Ju.S.Vol'Kinshtejn M.Ja.

(73)

Holder

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

METHOD OF METAL-BEARING ORE PROCESSING Russian patent published in 1997 - IPC

Abstract RU 2078838 C1

FIELD: mining, copper ores processing by methods of concentrated lixiviation of oxidized and clay ores in particular. SUBSTANCE: concentrated lixiviation of oxidized and clay copper-bearing ores by solutions of sulfuric acid is exercised with preliminary pelletizing of material with addition of sulfuric acid mixture, water and haloid salts. Pelletized material is subjected to drying holding under temperature of 100 - 200 C. Hydrofluoric acid production wastes or solutions of itching production bearing above components are used as haloid salts. EFFECT: increased productivity. 5 cl, 1 tbl

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 RU2223339C1

RU 2 078 838 C1

Authors

Sheveleva L.D.

Nezhivykh V.A.

Pavlichenko G.A.

Eliseev N.I.

Filjushkin G.A.

Turovskij V.G.

Zaplatnikov A.V.

Nikolajchenkov Ju.S.

Vol'Kinshtejn M.Ja.

Dates

1997-05-10—Published

1993-10-06—Filed

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