Smelting reduction method with high productivity

Details Smelting reduction method with high productivity Smelting reduction method with high productivity

1993-03-03

1995-03-28

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75446, C21B 1314

Patent

active

054012953

ABSTRACT:
The invention relates to a method for smelting reduction of metal ores involving a combination process wherein the metal ores are partly reduced in one or more stages and then completely reduced to metal in a melt-down reactor. The combination process comprises at least three process units, and the melt-down reactor forms one process unit. The partial reduction of the metal ores is performed in at least two further process units. A different waste gas is produced in each of these at least three process units.

REFERENCES:
patent: 5198019 (1993-03-01), Dry et al.

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