Abstract
The reduction of FeO containing slag by blends of metallurgical coke and end-of-life polyethylene terephthalate (PET) has been investigated through experiments conducted in a laboratory scale horizontal tube furnace. Composite pellets of EAF slag (47·1%FeO) with coke, PET and blends of coke/PET (in four different proportions) were rapidly heated at 1550°C under high purity argon gas and the off gas was continuously analysed for CH4, CO and CO2 using an online infrared gas analyser (IR). The extent of reduction after ten minutes, level of carburisation and desulphurisation were determined for each carbonaceous reductant. The results show significant improvement in extent of reduction, level of carburisation and desulphurisation of the reduced metal when coke is blended with PET.
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