Fundamental researches on the high-speed and high-efficiency steelmaking reaction

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Traditionally, steelmaking reactions have been analyzed by thermodynamics. Recently, software packages that can be used to calculate the equilibrium conditions have improved greatly. In some cases, information obtained in this software is useful for analyzing the steelmaking reaction. On the other hand, in industrial operation, steelmaking reactions, i.e., decarburization, dephosphorization, desulfurization or nitrogen removal, do not reach the equilibrium condition. Therefore, the kinetic model is very important for gaining a theoretical understanding of the steelmaking reaction. In this paper, the following recent research activities were shown; 1) mass transfer of impurities between solid oxide and liquid slag, 2) simulationmodel of hot metal dephosphorization by multiphase slag, 3) evaluation of reaction rate at bath surface in gas-liquid reaction system and 4) condition for forming of metal emulsion by bottom bubbling.

Original languageEnglish
Pages (from-to)195-201
Number of pages7
JournalHigh Temperature Materials and Processes
Volume31
Issue number3
DOIs
Publication statusPublished - 2012 Jun 1

Keywords

  • Interfacial area
  • Kinetics
  • Reaction rate
  • Steelmaking

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Physical and Theoretical Chemistry

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