Making iron powder having fiber-like particles

Details Making iron powder having fiber-like particles Making iron powder having fiber-like particles

B - Operations, Transporting

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B22F 9/04 (2006.01) C21B 13/00 (2006.01) C22B 5/02 (2006.01)

Patent

CA 1079094

ABSTRACT Iron oxide powder, e.g. ore, is reduced in a C0/N2 atmosphere at a temperature between 750° to 1200°C, whereby prior to the onset of precipita- tion of metallic iron the content of H2 is limited to 15% (vol) of the C0 content, and S02, H2S, C0S or another suitable gaseous sulphur compound is developed or maintained in the reducing atmosphere at a range from 0.0005 to 0.1% (vol), preferably 0.001 to 0.01% (vol) in relation to the C0 content.

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