Method for slag fuming and reduction

Details Method for slag fuming and reduction Method for slag fuming and reduction

1987-08-17

1989-04-11

Yee, Deborah

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 30, 75 42, C22B 1300

Patent

active

048203408

ABSTRACT:
The slag fuming process for the recovery of metal values from a slag from the smelting of non-ferrous metal concentrates is carried out more efficiently with lower quantities of fuel-reductant by injecting a portion of the fuel/reductant through one or more high-velocity tuyeres which replace or are in addition to a number of the standard tuyeres in the fuming furnace.

REFERENCES:
patent: 3891428 (1975-06-01), Yordanov et al.
patent: 4009024 (1977-02-01), Miller
patent: 4252563 (1981-02-01), Sundstrom
patent: 4639269 (1987-01-01), Hilbrans et al.

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