Process for injecting a reducing agent including ash-bearing bit

Details Process for injecting a reducing agent including ash-bearing bit Process for injecting a reducing agent including ash-bearing bit

1981-09-03

1984-01-31

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 42, C21B 504

Patent

active

044287690

ABSTRACT:
In a process for injecting a fine-grain carbon carrier including ash-bearing bituminous or hard coal into a blast furnace hearth, use is made of a mix of fine-grain bituminous coal and at least one other solid fine-grain ash-bearing carbon carrier. The composition of the mix is so selected that the degree of basicity of the overall resulting ash of the mixture is adapted to the degree of basicity of the furnace slag.

REFERENCES:
patent: 1349598 (1920-08-01), Basset
patent: 2184318 (1939-12-01), Ruzicka et al.
patent: 4266968 (1981-05-01), Daldrup et al.
patent: 4306507 (1981-12-01), Metz

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