EXPERIMENTAL STUDIES ON REDUCING FLUORITE CONTENT OF CALCIUM DEPHOSPHORIZING FLUX

WU Bao-guo; WANG Hai-chuan; ZHOU Yun; WANG Shi-jun; DONG Yuan-chi

Volume 24 Issue 2

Jun. 2003

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WU Bao-guo, WANG Hai-chuan, ZHOU Yun, WANG Shi-jun, DONG Yuan-chi. EXPERIMENTAL STUDIES ON REDUCING FLUORITE CONTENT OF CALCIUM DEPHOSPHORIZING FLUX[J]. IRON STEEL VANADIUM TITANIUM, 2003, 24(2): 7-10.

Citation:

WU Bao-guo, WANG Hai-chuan, ZHOU Yun, WANG Shi-jun, DONG Yuan-chi. EXPERIMENTAL STUDIES ON REDUCING FLUORITE CONTENT OF CALCIUM DEPHOSPHORIZING FLUX[J]. IRON STEEL VANADIUM TITANIUM, 2003, 24(2): 7-10.

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EXPERIMENTAL STUDIES ON REDUCING FLUORITE CONTENT OF CALCIUM DEPHOSPHORIZING FLUX

1. School of Metallurgy and Materials, Anhui University of Technology, Ma'anshan 243002, Anhui, China;
2. Metallurgical Engineering School, University of Science and Technology Beijing, Beijing 100083, China

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Received Date: 2003-01-26
Publish Date: 2003-06-30

Abstract

Abstract

The experimental study on dephosphorization for hot metal pretreatment by CaO-Fe₂O₃-CaF₂ flux was performed. By adding CaO, Al₂O₃ and Na₂CO₃ into dephosphorizing flux, the dephosphorization rate is somewhat increased. The results show that by using Al₂O₃ substituting for some CaF₂, the content of final phosphorus in hot metal can be controlled to be 0.003%~0.006%, and the dephosphorization rate exceeds 90%.
- fluorite content,
- CaO-Fe₂O₃-CaF₂ flux,
- dephosphorization,
- hot metal