Abstract
Composite pre-reduced pellet has a metallised core encased in a sintered shell of iron ore. It is produced under oxidizing atmopsphere and degree of reduction obstained is as high as 91%. Non-coking coal, charcoal, coke and char fines are used as reducing agent. The physical properties of this pellet make it suitable for use in blast furnace/steelmaking processes. In this paper an attempt has been made to present a review of the work done in this area as well as ore: coal mixed pellet. The effect of process variables like, temperature, time, Fe2O3/C ratio, heating rate and heating conditions on degree of reduction has been discussed. Attempt has also been made to judge the suitability of the pellet for use in iron and steel industries.
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