Method of producing direct reduced iron with fluid bed coal gasi

Details Method of producing direct reduced iron with fluid bed coal gasi Method of producing direct reduced iron with fluid bed coal gasi

1980-01-16

1981-04-07

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 91, 48202, C21B 1302

Patent

active

042604125

ABSTRACT:
A method of producing direct reduced iron with fluid bed coal gasification in which a portion of cooled, recycled gas is used as coolant in the gasification chamber and a second portion of the cleaned recycled gas is heated and mixed with the hot, dust-free gasification gas to form reducing gas for the direct reduction process. Limestone is preferably mixed with the pulverized coal feed to the gasification chamber to desulfurize the gas.

REFERENCES:
patent: 3853538 (1974-12-01), Nemeth
patent: 4095960 (1978-06-01), Schuhmann, Jr.
patent: 4173465 (1979-11-01), Meissner et al.

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