Journal
MINERALS ENGINEERING
Volume 157, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mineng.2020.106558
Keywords
Ilmenite; Flotation; Minerals processing; Collector; Titanium resource
Funding
- China Postdoctoral Science Foundation [2019M650188]
- Hunan Natural Science Foundation for the youth, China [2018JJ3665]
- National Science and Technology Support Program of China [2015BAB19B01]
- Natural Science Foundation of China [51504290]
- Key Laboratory of Hunan Province for Clean and Efficient Utilization of Strategic Calcium-containing Mineral Resources, China [2018TP1002]
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Ilmenite, as the main titanium source in practice, is of critical importance in meeting the pressing needs of various titanium associated fields. Herein, a review of ilmenite mineral processing by flotation is conducted to systemise the development of technologies in ilmenite upgrading. It proves that Australia and China are the top two countries with higher titanium reserves than other countries but with different metallogenic mechanisms. The basic properties of ilmenite and its metallogenic mechanism codetermine the final choice for ilmenite-containing ores beneficiation. Flotation has been an indispensable step for ilmenite upgrading as time goes and many collector types that can float ilmenite in different pH ranges have been developed. To date, various surface modification methods have proven to be a research hotspot. How to improve the flotability of fine ilmenite and comprehensive recycling of those historic ilmenite-containing tailings are much deserved in future.
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