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Role of Research in Non-ferrous Metallurgy Development—Peter Hayes’ Contributions to Modern Pyrometallurgy Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Reduction of Manganese Ore Pellets in a Methane-Containing Atmosphere

Authors : Richard Elliott, Mansoor Barati

Published in: Extraction 2018

Publisher: Springer International Publishing

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Abstract

Current methods for producing low-carbon manganese alloying materials for the steel industry are energy intensive and costly. To enable wider implementation of high Mn steel alloys, a novel solid-state Mn ore reduction strategy is therefore being investigated. This solid-state process, modelled on existing Direct Reduced Iron technology, employs a methane-containing atmosphere to reduce Mn ore pellets to a metal carbide. These pellets may then be smelted, yielding a Mn-rich master alloy. It is well established that CH4 is a suitable reductant for Mn ore powders; however, the reduction behaviour of industrially relevant Mn ore pellets by CH4 is poorly understood. The present work reports the results of an investigation undertaken to address this knowledge gap. The results of this study highlight the significantly different reduction behaviour exhibited by the Mn ore pellets relative to the ore powder under similar conditions and suggest that the diffusion of CH4 into the pellet interior is the limiting factor in achieving complete reduction.

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previous chapter Understanding Viscosity-Structure Relationship of Slags and Its Influence on Metallurgical Processes
next chapter Kinetics of Reduction-Carburization of Synthetic (Fe,Mg)(Cr,Al)2O4 Solid Solutions by Ar–CH4–H2 Gas Mixtures
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Metadata
Title
Reduction of Manganese Ore Pellets in a Methane-Containing Atmosphere
Authors
Richard Elliott
Mansoor Barati
Copyright Year
2018
Book
Extraction 2018

Print ISBN: 978-3-319-95021-1

Electronic ISBN: 978-3-319-95022-8

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-95022-8_92

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