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2 068 088

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Application

4933256/03, 1991-05-05

(22)

Actual filing date

1991-05-05

(45)

Published

1996-10-20

(72)

Inventor

Jashina G.M.Kostareva M.A.

(73)

Holder

Ural'Skij Nauchno-Issledovatel'Skij Institut I Proektnyj Institut Mednoj Promyshlennosti

METHOD FOR LEACHING OF POLYMETALLIC RAW MATERIALS Russian patent published in 1996 - IPC

Abstract RU 2068088 C1

FIELD: mining and processing of polymetallic raw materials by leaching. SUBSTANCE: method for leaching of polymetallic raw materials is based on use of reusable solutions of sulfuric acid production containing compounds of iron, calcium and copper in ratio of (30-100):(4-15):1. EFFECT: increased intensity of the process. 3 tbl

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RU 2 068 088 C1

Authors

Jashina G.M.

Kostareva M.A.

Dates

1996-10-20—Published

1991-05-05—Filed

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