Study on the highly efficient steel refining technique by using metal emulsion

2012 Fiscal Year Final Research Report

• Project/Area Number: 23656473
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Metal making engineering
• Research Institution: Tohoku University
• Principal Investigator: KITAMURA Shinya 東北大学, 多元物質科学研究所, 教授 (80400422)
• Co-Investigator(Kenkyū-buntansha): MARUOKA Nobuhiro 東北大学, 多元物質科学研究所, 助教 (40431473)
• Project Period (FY): 2011 – 2012
• Keywords: 鉄鋼製錬 / メタルエマルジョン / 化学工学 / 高速製錬 / その場観察 / 反応界面積 / 粒度分布 / 溶融塩

Research Abstract

In the steelmaking process, an enlargement of interfacial area for reaction is important. In this study, the condition of effective formation of metal emulsion was investigated. In experiment, Al, Sn, and Pb were used as metal phase and chloride salt was used as slag phase. The effect of gas flow rate and physical properties on the emulsion formation was investigated. The phenomena of the formation of metal emulsion were observed by high speed camera, and finally the empirical equation wasproposed.

Research Products

• [Journal Article] Modelling of metal-slag emulsion (2013)
  • Author(s): Smita Kamble, Duk-Yong Song, Abitha Dhavamani, Govind Sharan Gupta, Nobuhiro Maruoka, Shin-ya Kitamura and Hiroyuki Shibata
  • Journal Title: High Temperatures-High Pressures Volume: (印刷中)
  • Peer Reviewed
• [Journal Article] Influence of Bottom Bubbling Rate on Formation of Metal Emulsion in Al-Cu alloy and Molten Salt System (2012)
  • Author(s): Song, D.-Y., Maruoka, N., Gupta, G.S., Shibata, H., Kitamura, S.-Y., Sasaki, N., Ogawa, Y., Matsuo, M.
  • Journal Title: ISIJ International Volume: 52巻 Pages: 1018-1025
  • DOI: DOI:10.2355/isijinternational.52.1018
  • Peer Reviewed
• [Journal Article] Modeling of Ascending/Descending Velocity of Metal Droplet Emulsified on Pb-Salt System (2012)
  • Author(s): Song, D.-Y., Maruoka, N., Gupta, G.S., Shibata, H., Kitamura, S.-Y., Kamble, S.
  • Journal Title: Metallurgical and Materials Transactions B Volume: 43B Pages: 973-983
  • DOI: DOI:10.1007/s11663-012-9642-6
  • Peer Reviewed
• [Presentation] Metal emulsion formation in low-melting-point metal/molten saltsystem (2012)
  • Author(s): Nobuhiro Maruoka, Duk-Yong Song, Hiroyuki Shibata, Shin-ya Kitamura, Naoto Sasaki, Yuji Ogawa
  • Organizer: The 30th JSI
  • Place of Presentation: Paris, フラン ス
  • Year and Date: 20121218-20121219
• [Presentation] Modelling of Metal-Slag Emulsion (2012)
  • Author(s): Smita Kamble, Duk-Yong Song, Abitha Dhavamanai, Govind Sharan Gupta, Nobuhiro Maruoka, Shin-ya Kitamura, Hiroyuki Shibata
  • Organizer: 5th International Congress on the Science and Technology ofSteelmaking
  • Place of Presentation: Dresden, ドイツ
  • Year and Date: 20121001-20121003
• [Presentation] Influence of bottom bubbling rate on formation of metal emulsion in Sn-Sb-Cu alloy/salt system (2012)
  • Author(s): Duk-Yong Song
  • Organizer: 日本鉄鋼協会第164回秋季講演大会
  • Place of Presentation: 愛媛大学
  • Year and Date: 20120917-20120919
• [Presentation] Influence of Density Difference on Metal Emulsion Formation by Bottom Bubbling Condition (2011)
  • Author(s): D. Song, N. Maruoka, H. Shibata, S.Kitamura, N. Sasaki, Y. Ogawa, M. Matsuo
  • Organizer: Proceedings of High Temperature Processing Symposium 2011
  • Year and Date: 20110207-08
• [Presentation] Influence of Metal Phase Density on Emulsion Formulation in BottomBubbling Condition (2011)
  • Author(s): D.Y. Song, N. Maruoka, H. Shibata, S.Kitamura, N.Sasaki, Y.Ogawa, M.Matsuo
  • Organizer: Proceedings of the Roderick Guthrie Honorary Symposium on Process Metallurgy, 2011
  • Year and Date: 2011-06-06