Method for achieving low sulfur levels in the dri product...

Details Method for achieving low sulfur levels in the dri product... Method for achieving low sulfur levels in the dri product...

C - Chemistry, Metallurgy

21

B

53/30

C21B 13/08 (2006.01)

Patent

CA 1178060

Method for Achieving Low Sulfur Levels in the DRI Product from Iron Oxide Reducing Kilns Abstract A method for maintaining the sulfur level below 0.05% by weight, and preferably below 0.02% by weight, in the DRI product from the process for directly reducing ore contain- ing iron oxides in a rotary kiln using a solid carbonaceous reducing agent, fed at the materials feed end and at the discharge end of the kiln, as both fuel and reductant is disclosed, identifying the important factors in the process affecting the sulfur levels in the DRI and steps and means for properly controlling these factors.

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