| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Drying, Roasting, Calcining and Agglomeration of Feedstocks
|
| Presentation Title |
Investigation of Factors Affecting Iron Oxide Pellet Properties During Production
|
| Author(s) |
Grant Kenny, Petrus Chris Pistorius |
| On-Site Speaker (Planned) |
Grant Kenny |
| Abstract Scope |
Pellets from iron oxides are critical feedstock for steel production worldwide. With the transition of the steel industry to Direct Reduced Iron (DRI), the importance of the properties of high-grade iron oxide pellets have become increasingly relevant. In this study, oxide pellets are created from industrial magnetite concentrate, pelletized with varied chemical additions, oxidized and sintered to varying degrees to characterize the effect on resultant pellet properties. Of importance is investigating the effect of intentionally added MgO to the pellets to observe possible strengthening mechanisms from formations of spinel phase during firing. Additionally, the degree of oxidation is varied to characterize the distribution of the remnant magnetite within the pellets and their effect on pellet strength. Lastly, firing temperatures are varied post-oxidation to determine the optimal temperatures for pellet integrity. These properties are crucial as they affect the reducibility of the pellets and losses of pellets to fines during reduction. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Iron and Steel, Mechanical Properties, |