Reduction rate of chromite ore by Fe-C-Si melts

Takamitsu Nakasuga, Haiping Sun, Kunihiko Nakashima, Katsumi Mori

研究成果: 著書/レポートタイプへの貢献会議での発言

1 引用 (Scopus)

抄録

The kinetic behavior of reduction of chromite ore by liquid iron containing carbon and silicon has been investigated under various experimental conditions to clarify the reduction mechanism. It was found that the reduction rate of chromium ore by liquid Fe-C alloy was very slow. In addition, when carbon and silicon coexisted in the iron melt, silicon was found to preferentially oxidized to form silica, which favored for the formation of liquid slag and the rate of reduction was considerably accelerated. The similar effect was obtained by the addition of some fluxes, such as SiO2, Na2B4O7, CaO-SiO2, which also promoted the formation of a liquid slag and thus the reduction rate in the early stage also increased.

元の言語英語
ホスト出版物のタイトルProceedings of the Second International Conference on Processing Materials for Properties
編集者B. Mishra, C, Yamauchi, B. Mishra, C. Yamauchi
ページ553-558
ページ数6
出版物ステータス出版済み - 2000
イベントProceedings of the Second International Conference on Processing Materials for Properties - San Francisco, CA, 米国
継続期間: 11 5 200011 8 2000

その他

その他Proceedings of the Second International Conference on Processing Materials for Properties
米国
San Francisco, CA
期間11/5/0011/8/00

Fingerprint

Chromite
Ores
Liquids
Silicon
Slags
Iron
Carbon
Chromium
Silica
Fluxes
Kinetics

All Science Journal Classification (ASJC) codes

  • Engineering(all)

これを引用

Nakasuga, T., Sun, H., Nakashima, K., & Mori, K. (2000). Reduction rate of chromite ore by Fe-C-Si melts. : B. Mishra, C. Yamauchi, B. Mishra, & C. Yamauchi (版), Proceedings of the Second International Conference on Processing Materials for Properties (pp. 553-558)

Reduction rate of chromite ore by Fe-C-Si melts. / Nakasuga, Takamitsu; Sun, Haiping; Nakashima, Kunihiko; Mori, Katsumi.

Proceedings of the Second International Conference on Processing Materials for Properties. 版 / B. Mishra; C, Yamauchi; B. Mishra; C. Yamauchi. 2000. p. 553-558.

研究成果: 著書/レポートタイプへの貢献会議での発言

Nakasuga, T, Sun, H, Nakashima, K & Mori, K 2000, Reduction rate of chromite ore by Fe-C-Si melts. : B Mishra, C Yamauchi, B Mishra & C Yamauchi (版), Proceedings of the Second International Conference on Processing Materials for Properties. pp. 553-558, Proceedings of the Second International Conference on Processing Materials for Properties, San Francisco, CA, 米国, 11/5/00.
Nakasuga T, Sun H, Nakashima K, Mori K. Reduction rate of chromite ore by Fe-C-Si melts. : Mishra B, Yamauchi C, Mishra B, Yamauchi C, 編集者, Proceedings of the Second International Conference on Processing Materials for Properties. 2000. p. 553-558
Nakasuga, Takamitsu ; Sun, Haiping ; Nakashima, Kunihiko ; Mori, Katsumi. / Reduction rate of chromite ore by Fe-C-Si melts. Proceedings of the Second International Conference on Processing Materials for Properties. 編集者 / B. Mishra ; C, Yamauchi ; B. Mishra ; C. Yamauchi. 2000. pp. 553-558
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AB - The kinetic behavior of reduction of chromite ore by liquid iron containing carbon and silicon has been investigated under various experimental conditions to clarify the reduction mechanism. It was found that the reduction rate of chromium ore by liquid Fe-C alloy was very slow. In addition, when carbon and silicon coexisted in the iron melt, silicon was found to preferentially oxidized to form silica, which favored for the formation of liquid slag and the rate of reduction was considerably accelerated. The similar effect was obtained by the addition of some fluxes, such as SiO2, Na2B4O7, CaO-SiO2, which also promoted the formation of a liquid slag and thus the reduction rate in the early stage also increased.

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