Method for fluidized bed reduction of iron ore

Details Method for fluidized bed reduction of iron ore Method for fluidized bed reduction of iron ore

1985-09-12

1987-07-07

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 38, 266160, 266172, C21B 1302

Patent

active

046785086

ABSTRACT:
A method of using coal for reducing iron ore in a fluidized bed to obtain a reduced iron comprising fluidizing and pylolysis of a fine coal in a first fluidized bed, fluidized and thermal cracking the vapored material from the first fluidized bed in a second fluidized bed to deposit carbon on the surface of iron ore particles, fluidizing and reducing the iron ore in a third fluidized bed using reducing gas from generator.

REFERENCES:
patent: 4045214 (1977-08-01), Wetzel et al.
patent: 4095960 (1978-06-01), Schuhmann, Jr.
patent: 4420332 (1983-12-01), Mori et al.
patent: 4448402 (1984-05-01), Weber et al.

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