Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1993-06-11
1994-07-26
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75425, C22B 1500
Patent
active
053324145
ABSTRACT:
The invention relates to a method for producing high-grade nickel matte and highly oxidized slag in a flash smelting furnace, and for reducing the slag from the flash smelting furnace and for sulfurating the created matte in an electric furnace. The matte created in the flash smelting furnace and in the electric furnace are both directly conducted to hydrometallurgical further treatment.
REFERENCES:
patent: 4195986 (1980-04-01), Schulz
patent: 4668483 (1987-05-01), Ladd
Outokumpu Harjavalta Metals Oy
Rosenberg Peter D.
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