The Carbon Deposition during Iron Ore Reduction in Carbon Monoxide

Shu Hua Geng; Wei Zhong Ding; Shu Qiang Guo; Xiong Gang Lu

doi:10.4028/www.scientific.net/AMR.625.243

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The Carbon Deposition during Iron Ore Reduction in Carbon Monoxide
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 625The Carbon Deposition during Iron Ore Reduction in...

The Carbon Deposition during Iron Ore Reduction in Carbon Monoxide

Abstract:

Iron ore reduction and carbon deposition in pure CO was investigated by using thermogravimetric (TG) method over the temperature range of 0-1200°C. The results of the work may be summarized as follows: in CO stream, carbon deposition occurred below 900°C, no carbon deposition was found above 1000°C. X-Ray analysis of the reacted sample indicated that the carbon deposition occurred with the iron was reduced. The iron reduction process and carbon deposition occurred simultaneously. The rate of carbon deposition changed with the transformation of iron oxides. The specific surface area and pore structure of reduced samples were analyzed. The specific surface area changed with the amount of carbon deposition.