Kai Zhu, Zhuming Chen, Shuixin Ye, Shuhua Geng, Yuwen Zhang, and Xionggang Lu, Gasification of iron-coke and co-gasification behavior of iron-coke and coke under simulated hydrogen-rich blast furnace condition, Int. J. Miner. Metall. Mater.,(2022). https://doi.org/10.1007/s12613-022-2429-0
Cite this article as:
Kai Zhu, Zhuming Chen, Shuixin Ye, Shuhua Geng, Yuwen Zhang, and Xionggang Lu, Gasification of iron-coke and co-gasification behavior of iron-coke and coke under simulated hydrogen-rich blast furnace condition, Int. J. Miner. Metall. Mater.,(2022). https://doi.org/10.1007/s12613-022-2429-0
Research Article

Gasification of iron-coke and co-gasification behavior of iron-coke and coke under simulated hydrogen-rich blast furnace condition

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  • Received: 26 October 2021Revised: 22 December 2021Accepted: 27 January 2022Available online: 29 January 2022
  • The gasification of iron-coke and the co-gasification behavior of iron-coke and coke in a hydrogen-rich environment were studied. The results indicate that the initial gasification temperature of iron-coke decreased with the increasing content of iron ore powder in the CO2 and H2O(g) atmosphere. In the atmosphere of 40% H2O + 60% CO2, the coke reactivity index (CRI) of iron-coke with the addition of 3% iron ore powder reached 58.7% and its coke strength after reaction (CSR) reached 56.5%. Due to the catalytic action of iron, the reaction capacity of iron-coke was greater than that of coke. As the iron-coke was preferentially gasified, the CRI of the coke was reduced and its CSR was increased when the iron-coke and the coke are co-gasified. The results show that the skeleton action of the coke can be protected by iron-coke.

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