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Influence of high energy ball milling on carbothermic reduction of ilmenite
journal contribution
posted on 1997-12-01, 00:00 authored by Ying (Ian) ChenYing (Ian) Chen, T Hwang, M MarshA systematic study of the effect of milling conditions on the low temperature carbothermic reduction of ilmenite has been carried out. It was found that after ball milling of the ilmenite-carbon mixture at room temperature, the mineral ilmenite was reduced by carbon to rutile and metallic iron during a subsequent low temperature annealing (760°C for 30 min). Longer milling time results in a lower reduction temperature and a higher reduction rate. Higher milling intensity leads to a lower reduction temperature and a lower activation energy. This enhancing effect of ball milling mainly results from the intimate mixing and large contact area between ilmenite and carbon produced by ball milling.
History
Journal
Ironmaking and steelmakingVolume
24Issue
2Pagination
144 - 149Publisher
[Taylor & Francis]Location
[Abingdon, Eng.]ISSN
0301-9233Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
1997, The Institute of MaterialsUsage metrics
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