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Behavior of Auger Press Briquettes in Hydrogen Reduction Atmosphere

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  • Illia Tkalenko
  • Heorhii Korolkov
  • Oleksandr Khodunov

Abstract

This study investigated the feasibility of recycling fine metallurgical side-streams into briquettes for subsequent application in direct reduction processes in an H2 atmosphere. The raw materials used in this study included electric arc furnace dust, basic oxygen furnace dust, and rolling mill scale. The briquettes were produced via an auger pressing process using laboratory-scale equipment closely simulating industrial practice. Subsequently, the chemical composition of the raw materials and briquettes, as well as their densities and crushing strength, were determined; the average crushing strength ranged from 42.4 kg/cm to 48.3 kg/cm per briquette. Moreover, thermal stability tests at 1000°C and reduction experiments in a 100% H2 atmosphere were conducted, and the results demonstrated Zn removal from the briquettes and the formation of metallic Fe. Overall, the fabricated briquettes retained their shape following reduction, indicating their potential applicability as feedstock for H2-based direct reduction processes.

Suggested Citation

  • Illia Tkalenko & Heorhii Korolkov & Oleksandr Khodunov, 2026. "Behavior of Auger Press Briquettes in Hydrogen Reduction Atmosphere," European Journal of Engineering and Technology Research, European Open Science, vol. 11(4), pages 1-6, July.
    • Handle: RePEc:epw:ejeng0:v:11:y:2026:i:4:id:70387
    DOI: 10.24018/ejeng.2026.11.4.70387
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