Title: Apparatus for direct reduction of iron oxides

Abstract: A method of and apparatus for reducing an oxide of iron such as the oxides which occur in mill scale involves mixing particles of the oxide with particles of a carbonaceous reducing agent and passing the resulting mixing through a conduit disposed in the flue of a furnace, the flue gases which pass through the flue having a temperature sufficiently high to cause the reduction of the oxide by the reducing agent.

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Inventors: Shinville, Gerald T. (Sterling, IL, US)
Proeger, Linden P. (Prophetstown, IL, US)

Application Number: 531883
Filing Date: 1974-12-12
Publication_date: 1976-03-02
Assignee: Northwestern Steel and Wire Company (Sterling, IL)
Primary Class(es): 266/177 75/10.38, 75/486, 75/962, 266/144
Other Classes:
US Patent Ref:

1863507	Jun, 1932	Southgate	75/40.
3833208	Sep, 1974	Andersen	432/210.

Other Refs:
Primary Examiner: Andrews, M. J.
Assistant Examiner:
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson