| Issue |
Metall. Res. Technol.
Volume 121, Number 4, 2024
|
|
|---|---|---|
| Article Number | 406 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/metal/2024043 | |
| Published online | 17 June 2024 | |
Original Article
Reduction of vanadium-titanium magnetite concentrate composite biomass briquette by pure hydrogen under microwave field and separation of titanium and iron
Metallurgy and Energy College, North China University of Science and Technology, Tangshan, 063210, China.
* e-mail: 1162874225@qq.com
** e-mail: honglk@ncst.edu.cn
Received:
3
February
2024
Accepted:
22
May
2024
In this study, a new method of microwave-hydrogen synergistic reduction of vanadium-titanium magnetite (VTM) briquette/VTM composite biomass briquette were developed to carry out isothermal experiment. The results showed that under the experimental conditions, excessive biomass would open the channel for gas diffusion and participate in the reduction reaction, but it would weaken the hydrogen reduction to some extent. After grinding the reduction product of VTM composite biomass briquette for 40 min, internal cracks and fragmentation were more likely to occur. After magnetic separation, titanium and iron can be effectively separated, and the nonmagnetic substance is mainly Fe2TiO4 phase.
Key words: vanadium titano-magnetite / microwave-hydrogen synergy / biomass / separation / Fe2TiO4 phase
© EDP Sciences, 2024
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