4.4 Article

Reduction of Magnetite Concentrate Particles by H2+CO at 1 673 K

Journal

ISIJ INTERNATIONAL
Volume 55, Issue 3, Pages 706-708

Publisher

IRON STEEL INST JAPAN KEIDANREN KAIKAN
DOI: 10.2355/isijinternational.55.706

Keywords

reduction kinetics; magnetite concentrate; hydrogen; carbon monoxide

Funding

  1. American Iron and Steel Institute (AISI)
  2. University of Utah
  3. AISI's CO2 Breakthrough Program
  4. U.S. Department of Energy [DE-EE0005751]

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The purpose of this research was to determine the effect of CO addition to H-2 on the reduction kinetics of magnetite concentrate particles at high temperatures. Experiments were carried out at 1 673 K. The replacement of N-2 by CO enhanced the reduction rate considerably. The kinetics of CO reduction is slower than that by hydrogen but significant, and the contributions by the two gases are additive.

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