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Investigation on removal of Nb from Nb-bearing hot metal with CO2

Z. Y. Xu   ORCID icon orcid.org/0000-0002-3755-3384 ; School of Materials Science and Engineering, Inner Mongolia University of Technology, China
J. N. Huang ; Inner Mongolia University of Science and Technology, China
B. W. Li ; Inner Mongolia University of Science and Technology, China
Z. W. Zhao ; Inner Mongolia University of Science and Technology, China

Puni tekst: engleski, pdf (158 KB) str. 257-260 preuzimanja: 99* citiraj
APA 6th Edition
Xu, Z.Y., Huang, J.N., Li, B.W. i Zhao, Z.W. (2018). Investigation on removal of Nb from Nb-bearing hot metal with CO2. Metalurgija, 57 (4), 257-260. Preuzeto s https://hrcak.srce.hr/201731
MLA 8th Edition
Xu, Z. Y., et al. "Investigation on removal of Nb from Nb-bearing hot metal with CO2." Metalurgija, vol. 57, br. 4, 2018, str. 257-260. https://hrcak.srce.hr/201731. Citirano 07.12.2019.
Chicago 17th Edition
Xu, Z. Y., J. N. Huang, B. W. Li i Z. W. Zhao. "Investigation on removal of Nb from Nb-bearing hot metal with CO2." Metalurgija 57, br. 4 (2018): 257-260. https://hrcak.srce.hr/201731
Harvard
Xu, Z.Y., et al. (2018). 'Investigation on removal of Nb from Nb-bearing hot metal with CO2', Metalurgija, 57(4), str. 257-260. Preuzeto s: https://hrcak.srce.hr/201731 (Datum pristupa: 07.12.2019.)
Vancouver
Xu ZY, Huang JN, Li BW, Zhao ZW. Investigation on removal of Nb from Nb-bearing hot metal with CO2. Metalurgija [Internet]. 2018 [pristupljeno 07.12.2019.];57(4):257-260. Dostupno na: https://hrcak.srce.hr/201731
IEEE
Z.Y. Xu, J.N. Huang, B.W. Li i Z.W. Zhao, "Investigation on removal of Nb from Nb-bearing hot metal with CO2", Metalurgija, vol.57, br. 4, str. 257-260, 2018. [Online]. Dostupno na: https://hrcak.srce.hr/201731. [Citirano: 07.12.2019.]

Sažetak
This paper focuses on removal niobium from Nb-bearing hot metal by bottom blown-CO2 gas at flow rate of 1,0×103 Nm3/h, 1,5×10-3 Nm3/h at 1350 °C and 1 450 °C in a medium induction furnace. The results show that Nb and P are oxidized and the ratio of Nb to P in Nb-bearing slag at blowing termination reaches to 46,66 at 1350 °C and CO2 flow rate of 1,5m3/h, which is more than that in the other condition; it improves to remove more Nb from hot metal with bottom-blown CO2 at 1 350 °C than at 1450 °C; Nb starts to oxidize by CO2 to form slag when Si content in molten iron decreases to low 0,1 wt. %.

Ključne riječi
hot metal; removal of Nb; bottom-CO2; time; temperature

Hrčak ID: 201731

URI
https://hrcak.srce.hr/201731

Posjeta: 202 *