RIS ID
110329
Abstract
The effect of the mineral matter on the reactivity of a coke analogue was examined through the addition of binary and ternary combinations of magnetite (Fe3O4), troilite (FeS) and quartz (SiO2). The use of coke at a laboratory scale has issues arising from it heterogeneity and complex nature. The coke analogue was developed to help alleviate these issues, being a laboratory tool that has a simplified carbon structure and in which the mineral content, particle size and distribution is largely controlled. The reactivity of the coke analogue with CO2 was measured using a TGA system at 1100°C under conditions similar to that of the CRI test. For binary combinations of magnetite-quartz and troilite-quartz, increasing quartz content (and subsequently decreasing the iron content) was found to decrease the reactivity of the coke analogue. The change in the reactivity of the troilite-magnetite binary system was found not to be simply additive, with combinations of troilite and magnetite giving higher reactivities than would be expected from a simple proportional approach. The ternary magnetite-troilite-quartz system was found to largely follow the trends found in the bounding binary systems.
Publication Details
Longbottom, R. J., Monaghan, B. J., Zhang, G., Chowdhury, A. A., Mahoney, M. R., Hockings, K. & Reid, M. H. (2016). The Effect of Binary and Ternary Mineral Combinations on the Reactivity of a Coke Analogue. Proc. 7th European Coke and Ironmaking Congress (pp. 519-528).