Conference Proceedings
Australia/Japan Extractive Metallurgy Symposium, Sydney
Conference Proceedings
Australia/Japan Extractive Metallurgy Symposium, Sydney
Thermodynamic of the Coal Reduction Process for the Upgrading of Ilmenite
The equilibrium phase relations in the Fe- Mn-Ti-0-S system were established at 1380 and 1485 K. The elemental distributions between the equilibrium phases were obtained by chemical- ly analysing selected samples from the phase study. The results are considered in relation to the coal reduction process for upgrading ilmenite. The beneficial effect of adding sulfur to a kiln that uses a manganese-rich feed is ex- plained by the formation of a metal-sulfide solid-solution phase that removes part of the manganese from the oxide system. The optimum conditions for operating the reduction kiln are determined, and the practical need to operate the kiln at other than optimum conditions is explained. It is shown how the experimental data can be used to predict the best compromise conditions for reduction and the resultant purity of the product.
Contributor(s):
I E Grey, R R Merritt
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- Published: 1980
- PDF Size: 0.193 Mb.
- Unique ID: P198002041