Reduction of iron oxides during the pyrometallurgical processing of red mud

The results of experiments on the use of red mud in traditional pyrometallurgical processes and plants are presented. The red muds of the Ural Aluminum Plant (UAZ, Kamensk-Ural’skii) and the Alyum Plant (Tul’chiya) are shown to have similar phase and chemical compositions. The morphology of the iron...

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Bibliographic Details
Published in:Russian metallurgy Metally 2013, Vol.2013 (1), p.33-37
Main Authors: Raspopov, N. A., Korneev, V. P., Averin, V. V., Lainer, Yu. A., Zinoveev, D. V., Dyubanov, V. G.
Format: Article
Language:English
Subjects:
Carbon
Cast iron
Chemistry and Materials Science
Hydrometallurgy
Iron and steel making
Iron and steel plants
Iron oxides
Materials Science
Metallic Materials
Red mud
Slags
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Summary:The results of experiments on the use of red mud in traditional pyrometallurgical processes and plants are presented. The red muds of the Ural Aluminum Plant (UAZ, Kamensk-Ural’skii) and the Alyum Plant (Tul’chiya) are shown to have similar phase and chemical compositions. The morphology of the iron oxides in red mud samples taken from mud storage is studied by Mössbauer spectroscopy. It is found that the metallic (cast iron) and slag phases that form during the pyrometallurgical processing of red mud by melting with a carbon reducer in the temperature range 1200–1500°C are clearly separated. Cast iron can be used in steelmaking, and the slag can be used for hydrometallurgical processing and extraction of nonferrous metals and for the building industry after correcting its composition.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029513010114