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Application

2000110016/02, 2000-04-24

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Start date

2000-04-24

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Actual filing date

2000-04-24

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Published

2000-12-10

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Inventor

Miroevskij G.P.Demidov K.A.Ermakov I.G.Odintsov V.A.Ponomarev A.A.Kokljanov E.B.Maksimov D.B.Popov I.O.Tsemekhman L.Sh.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Gorno-Metallurgicheskaja Kompanija"

METHOD OF REWORKING SECONDARY MATERIALS CONTAINING PRECIOUS METALS Russian patent published in 2000 - IPC

Abstract RU 2160320 C1

FIELD: metallurgy; reworking secondary materials containing non-ferrous and precious metals. SUBSTANCE: proposed method includes oxidation of organic with oxygen-containing gas, melting copper scrap and electronic wastes containing precious metals and refining of black copper. Electronic wastes are charged in vertical oxygen converter together with copper scrap in mass ratio of 1:5 to 1:10; melting is effected simultaneously with oxidizing of organics at excess-oxygen coefficient for burning fuel equal to 20-1.5. EFFECT: reduced power requirements; low cost; reduced losses of precious and non-ferrous metals. 1 tbl, 8 ex

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RU 2 160 320 C1

Authors

Miroevskij G.P.

Demidov K.A.

Ermakov I.G.

Odintsov V.A.

Ponomarev A.A.

Kokljanov E.B.

Maksimov D.B.

Popov I.O.

Tsemekhman L.Sh.

Dates

2000-12-10—Published

2000-04-24—Filed

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