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Development and assessment of an integrated wind energy system for green steelmaking based on electric arc furnace route

Author

Listed:
  • Hu, Hang
  • Yang, Lingzhi
  • Yang, Sheng
  • Zou, Yuchi
  • Wang, Shuai
  • Chen, Feng
  • Guo, Yufeng

Abstract

Optimizing energy structure is important for coping with the increasing environmental problems in iron and steel industry. Wind energy is one of typical zero-carbon, inexhaustible, and accessible energy source for alleviating energy dilemma. In this paper, the electric arc furnace steelmaking processes integrated with wind energy system (EAF-WES) is developed. The input-output data of 1214 and 1536 heats with 30 % and 50 % hot metal ratio are traced and collected. Life cycle assessment and techno-economic analysis of EAF route integrated with traditional energy system (EAF-TES) and EAF-WES are further researched and compared from perspectives of life cycle carbon footprint (LCCF), production cost, wind energy price (WEP), carbon efficiency, carbon reduction benefit (CRB), and carbon tax. The results indicate that EAF-WES enjoys lower LCCF but higher production cost and carbon efficiency than EAF-TES. Considering the price fluctuations, the optimal EAF steelmaking pattern with lowest production cost under different extent of WEP and carbon tax is suggested. When the electricity price is 0.043 and 0.046 $/kWh, the CRB is balanced. It is concluded that EAF-WES is a low-carbon, high-productive, environmentally friendly, and economical route. This research is expected to supply a technical idea for energy conservation and emission reduction in future steel production.

Suggested Citation

  • Hu, Hang & Yang, Lingzhi & Yang, Sheng & Zou, Yuchi & Wang, Shuai & Chen, Feng & Guo, Yufeng, 2024. "Development and assessment of an integrated wind energy system for green steelmaking based on electric arc furnace route," Energy, Elsevier, vol. 302(C).
    • Handle: RePEc:eee:energy:v:302:y:2024:i:c:s0360544224015561
    DOI: 10.1016/j.energy.2024.131783
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