| Issue |
Metall. Res. Technol.
Volume 121, Number 1, 2024
|
|
|---|---|---|
| Article Number | 104 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/metal/2023084 | |
| Published online | 19 December 2023 | |
Original Article
Research on thermodynamic characteristics of metallurgical slag
Xi’an Aeronautical Polytechnic Institute, Xi’an 710089, China
* e-mail: lms0612@126.com
Received:
5
August
2023
Accepted:
3
November
2023
This article uses Sn as the metal flux and CaF2-CaO as the reference slag to experimentally measure the activity of CaO at T = 1773∼1873 K. The effects of different w(Al2O3) and temperature(T) on CaO activity were investigated. The results are as follows: when w(MgO) = 6%, R(w(CaO)/w(SiO2)) = 1.20, w(Al2O3) = 12%, 14%, 16% and 18%, with the increase of w(Al2O3), the activity and activity coefficient of CaO in slag gradually decrease; with the increase of temperature (T), the activity and activity coefficient of CaO in slag gradually increase; the activity coefficient of Ca in Sn decrease with increasing temperature.
Key words: blast furnace (BF) / slag / activity / reference slag method
© EDP Sciences, 2023
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