Method for direct reduction of oxides

Details Method for direct reduction of oxides Method for direct reduction of oxides

1996-09-24

1998-11-24

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75495, 266148, 266156, C21B 1302

Patent

active

058400974

ABSTRACT:
A method for direct reduction of oxides includes the steps of: providing a reduction zone for direct reduction of oxides and a gas reforming zone communicating with the reduction zone; feeding metal oxides to the reduction zone; feeding a gas mixture comprising methane and an oxygen source to the gas performing zone to provide a reformed gas comprising hydrogen and carbon monoxide; contacting the oxides and the reformed gas in the reduction zone to provide a reduced metal and a top gas; and treating the top gas so as to provide the gas mixture.

REFERENCES:
patent: 2048112 (1936-07-01), Gahl
patent: 3375099 (1968-03-01), Marshall
patent: 4880458 (1989-11-01), Martinez-Vera et al.
patent: 5702246 (1997-12-01), Dam

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