Analysis of CO Reduction of Hematite Pellets by Malti-interface Model

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  • 酸化鉄ペレットのCOガス還元の多界面未反応核モデルによる解析
  • サンカ テツ ペレット ノ CO ガス カンゲン ノ タ カイメン ミ ハンノ

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Abstract

Reduction experiments of hematite pellets with CO or CO-CO2 gas mixtures were carried out under Various experimental conditions. The hematite pellets were made of pyrite cinder and the porosity was approximately 13%.<BR>Observed reduction curves were simulated by the multi-interface model where rate parameters obtained by the technique of step-wise reduction of the pellets were used. Agreement between the calculated curves and observed data was satisfactory for the wide variety of experimental conditions as to reduction temperature (800-1000°C), gas composition (p (b) CO=0.47-1.0atm), gas flow rate (Q=0.5-3.6Nl/min), and pellet radius (r0=0.52-0.78cm).

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 63 (8), 1229-1234, 1977

    The Iron and Steel Institute of Japan

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