Study on Kinetics of Iron Oxide Reduction by Hydrogen

侯宝林; 张海英; 李洪钟; 朱庆山

doi:10.1016/S1004-9541(12)60357-7

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Study on Kinetics of Iron Oxide Reduction by Hydrogen

Updated：2026-01-06

- Study on Kinetics of Iron Oxide Reduction by Hydrogen
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 10-17(2012)
- Affiliations：
  
  State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60357-7
  CLC： O643.12
- Published：2012
- Accepted：
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HOU Baolin, ZHANG Haiying, LI Hongzhong, ZHU Qingshan. Study on Kinetics of Iron Oxide Reduction by Hydrogen[J]. , 2012, 20(1): 10-17.
DOI：

HOU Baolin, ZHANG Haiying, LI Hongzhong, ZHU Qingshan. Study on Kinetics of Iron Oxide Reduction by Hydrogen[J]. , 2012, 20(1): 10-17. DOI： 10.1016/S1004-9541(12)60357-7.

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Abstract

Kinetics parameters of iron oxide reduction by hydrogen were evaluated by the isothermal method in a differential micro-packed bed.Influence of external diffusion

internal diffusion and heat transfer on the intrinsic reaction rate was investigated and the conditions free of internal and external diffusion resistance have been determined.In the experiments

in order to correctly evaluate the intrinsic kinetics parameters for reducing Fe

to Fe

the reaction temperatures were set between 440℃ and 490℃.However

in order to distinguish the reduction of Fe

to FeO from that of FeO to Fe

the reaction temperature in the experiment was set to be greater than 570℃.Intrinsic kinetics of iron oxide reduction by hydrogen was established and the newly established kinetic models were validated by the experimental data.

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