| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Magnesium Technology 2020
|
| Presentation Title |
Research on Properties of Prefabricated Pellets of Silicothermic Process After Calcination in Flowing Argon Atmosphere |
| Author(s) |
Junhua Guo, Ting-an Zhang, Daxue Fu, Jibiao Han, Zonghui Ji, Zhihe Dou |
| On-Site Speaker (Planned) |
Junhua Guo |
| Abstract Scope |
In the Pidgeon process, the separation of calcination and reduction process leads to a long production cycle and high energy consumption. Based on the novel preparation method of pellets of silicothermic process, the low-grade magnesite with abundant resources in Liaoning Province was used as raw material, calcium source, reducing agent and fluorite were added to pelletize directly, and then calcined and reduced in flowing argon atmosphere. The properties and micromorphology of prefabricated pellets after calcination were investigated in the work. The experimental results showed that the hydration activity and compressive strength of prefabricate pellets after calcination reached 23.0% and 998 N, respectively. The recovery ratio of magnesium metal was more than 80% in the reduction process. The research on calcination of prefabricated pellets in flowing gas provided a theoretical basis for continuous extraction of magnesium. |
| Proceedings Inclusion? |
Planned: |