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2 639 193

(13)

(51)

IPC

C22B23/02(2006-01-01)

C22B15/00(2006-01-01)

C22B7/00(2006-01-01)

(21) (22)

Application

2016117075, 2016-04-28

(24)

Start date

2016-04-28

(22)

Actual filing date

2016-04-28

(45)

Published

2017-12-20

(72)

Inventor

Vlasov Oleg AnatolevichMechev Valerij ValentinovichMechev Pavel Valerevich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Federalnyj Universitet"

METHOD OF PROCESSING COPPER-NICKEL CONVERTER MATTE Russian patent published in 2017 - IPC C22B23/02 C22B15/00 C22B7/00

Abstract RU 2639193 C2

FIELD: metallurgy.

SUBSTANCE: method includes loading flux into furnace with heated copper-nickel converter matte containing cobalt and iron, melting the flux and purging converter matte with oxygen-containing purging. As a flux, a mixture of B₂O₃ and CaO in an amount of 30-35% of the mass of iron and cobalt in the converter matte at a ratio B₂O₃/CaO, equal to 4-9. Purging is carried out up to complete oxidation of iron and cobalt with their conversion into flux.

EFFECT: increased cobalt recovery.

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RU 2 639 193 C2

Authors

Vlasov Oleg Anatolevich

Mechev Valerij Valentinovich

Mechev Pavel Valerevich

Dates

2017-12-20—Published

2016-04-28—Filed