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http://dx.doi.org/10.4191/kcers.2016.53.4.444

Analysis of Reducing Characteristics of Direct Reduced Iron using Blast Furnace Dust  

Yun, Young Min (Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology)
Chu, Yong Sik (Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology)
Seo, Sung Kwan (Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology)
Jeong, Jae Hyun (Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.53, no.4, 2016 , pp. 444-449 More about this Journal
Abstract
Industrial by-products generated by integrated iron and steel manufacture cause environmental pollution. The by-products contain not only iron element but also harmful substances. Therefore, in view of to waste recycling and environmental preservation, production of sponge iron using the by-product is considered an effective recycling method. In this study, reduction efficiency of pellets from blast furnace dust was measured. Metallization was found to be increased, as $C/Fe_{total}$ ratio and reaction time were increased. The pellets were formed into a globular shape, and calcined for 60 minutes at $1100^{\circ}C$ in an electric furnace. Phase changes were analyzed using an X-ray diffractometer. Microstructures of the pellets were observed by a scanning electron microscope.
Keywords
Blast furnace dust; Metallization; Waste recycling; Sponge iron;
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