Effect of pyrolysis temperature on blast furnace injection performance of biochar

Xiaojun Ning, Wang Liang*, Guangwei Wang, Runsheng Xu, Peng Wang, Jianliang Zhang, Xingmin Guo, Chunhe Jiang, Jinhua Li, Chuan Wang

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)


As a carbon–neutral fuel, biomass plays a prominent role in replacing fossil fuels. The objective of this research is to uncover the influence of pyrolysis temperature on the metallurgical properties of biochar, as well as to provide a theoretical reference for the preparation of biochar suitable for blast furnace injection. The metallurgical properties of biochar have been systematically studied through the comparative analysis of the physical and chemical properties of biochar. The results show that pyrolysis technology can effectively improve the fuel performance of biomass. As the pyrolysis temperature increases, the fuel performance of biochar increases, the carbonization degree gradually increases, and the combustion performance and reactivity gradually weaken, approaching carbonaceous materials. The Coats-Redfern kinetic equation is used for the kinetic fitting of the combustion process of biochar, and has achieved good results. This clarifies the speed control link in the combustion process of biochar.

Original languageEnglish
Article number122648
Publication statusPublished - 1 Apr 2022
Externally publishedYes
MoE publication typeA1 Journal article-refereed


  • Biomass
  • Blast furnace injection
  • Fuel performance
  • Kinetics
  • Pyrolysis


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