Chlorination of reduced ilmenite concentrates and synthetic rutile

Adipuri, Andrew, Li, Yan, Zhang, Guangqing and Ostrovski, Oleg (2011) Chlorination of reduced ilmenite concentrates and synthetic rutile. International Journal of Mineral Processing, 100 3-4: 166-171. doi:10.1016/j.minpro.2011.07.005


Author Adipuri, Andrew
Li, Yan
Zhang, Guangqing
Ostrovski, Oleg
Title Chlorination of reduced ilmenite concentrates and synthetic rutile
Journal name International Journal of Mineral Processing   Check publisher's open access policy
ISSN 0301-7516
Publication date 2011-09-14
Sub-type Article (original research)
DOI 10.1016/j.minpro.2011.07.005
Open Access Status
Volume 100
Issue 3-4
Start page 166
End page 171
Total pages 6
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
Chlorination of reduced ilmenites of different grades (primary, secondary and HYTI 70) and synthetic rutile was investigated at 235 °C. The main phases of primary and secondary ilmenites were Fe2Ti3O9 and FeTiO3; HYTI 70 contained TiO2; synthetic rutile consisted of titania with titanium suboxides and trace amount of iron. Iron oxides were reduced to metallic iron. Titanium oxides were reduced to titanium oxycarbide or oxycarbonitride; reduced samples contained a small amount of titanium suboxides. In chlorination of reduced ilmenite concentrates and synthetic rutile, titanium oxycarbide or oxycarbonitride, metallic iron, and Ti2O3 were chlorinated. The degree of chlorination of both iron and titanium oxycarbide/oxycarbonitride was 95-98%; chlorination of iron was faster than that of titanium oxycarbonitride. The removal of iron by leaching increased the chlorination rate of titanium oxycarbide/oxycarbonitride; it was close to completion in 35 min.
Keyword Ilmenite
Oxycarbide
Oxycarbonitride
Synthetic rutile
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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