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MNO ACTIVITIES DETERMINATION FOR BASIC MANGANESE ORES IN THE COKE BED ZONE

1 WA KALENGA Michel Kalenga
Co-authors:
1 NYEMBWE Didier Kasongo
Institution:
1 University of Johannesburg, Republic of South Africa, michelk@uj.ac.za, dnyembwe@uj.ac.za
Conference:
33rd International Conference on Metallurgy and Materials, Orea Congress Hotel Brno, Czech Republic, EU, May 22 - 24, 2024
Proceedings:
Proceedings 33rd International Conference on Metallurgy and Materials
Pages:
443-448
ISBN:
978-80-88365-21-1
ISSN:
2694-9296
Published:
26th June 2024
Metrics:
13 views / 18 downloads
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Abstract

<div>During ferromanganese production, the manganese ores transit in different zones before reaching the coke bed zone called prereduction and reduction zone. The transition higher to lower oxides manganese oxides occurs reaching MnO. The reduction of MnO liquid by carbon producing Mn liquid was considered to be at equilibrium while empirical data and previous calculated data were used to determine activity of Mn in the alloys considered saturated with carbon. The MnO activities calculated based on the manganese recovery using FactSage and the calculated MnO activity using HSC (Rea 9) were stacked up against the calculated values using FactSage. It was found that the calculated values using using HSC (Rea 9) and the FactSage were apart.</div>

Keywords: Metallurgy, MnO activities, basic manganese ores, coke bed

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