METHOD FOR IMPROVING QUALITY OF REFORMING GAS USED IN THE DIRECT REDUCTION OF METAL OXIDES

METHOD FOR IMPROVING QUALITY OF REFORMING GAS USED IN THE DIRECT REDUCTION OF METAL OXIDES

A method for modifying existing direct reduction processes and retrofitting existing direct reduction facilities so as to increase the capacity of the facilities without the need for increasing the capacity of external reformers associated with the existing facilities comprises mixing preheated air...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BUENO C, HENRY R, DAM G, OSCAR G, GUTIERREZ, FELIPE, TORRES, PEDRO
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Beschreibung
Zusammenfassung:A method for modifying existing direct reduction processes and retrofitting existing direct reduction facilities so as to increase the capacity of the facilities without the need for increasing the capacity of external reformers associated with the existing facilities comprises mixing preheated air with the reformed reducing gas produced in the external reformers and contacting said mixture with excess natural gas in a reduction-reaction zone of the direct reduction reactor.