C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 5/12 (2006.01) B01J 12/00 (2006.01) C01B 3/36 (2006.01) C21B 13/00 (2006.01) F27B 3/08 (2006.01)
Patent
CA 2090906
ABSTRACT OF THE DISCLOSURE 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.
Bueno C. Henry R.
Dam G. Oscar G.
Gutierrez Felipe
Torres Pedro
Corporacion Venezolana de Guayana (cvg)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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