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Variables affecting energy efficiency and CO2 emissions in the steel industry

Author

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  • Siitonen, Sari
  • Tuomaala, Mari
  • Ahtila, Pekka

Abstract

Specific energy consumption (SEC) is an energy efficiency indicator widely used in industry for measuring the energy efficiency of different processes. In this paper, the development of energy efficiency and CO2 emissions of steelmaking is studied by analysing the energy data from a case mill. First, the specific energy consumption figures were calculated using different system boundaries, such as the process level, mill level and mill site level. Then, an energy efficiency index was developed to evaluate the development of the energy efficiency at the mill site. The effects of different production conditions on specific energy consumption and specific CO2 emissions were studied by PLS analysis. As theory expects, the production rate of crude steel and the utilisation of recycled steel were shown to affect the development of energy efficiency at the mill site. This study shows that clearly defined system boundaries help to clarify the role of on-site energy conversion and make a difference between the final energy consumption and primary energy consumption of an industrial plant with its own energy production.

Suggested Citation

  • Siitonen, Sari & Tuomaala, Mari & Ahtila, Pekka, 2010. "Variables affecting energy efficiency and CO2 emissions in the steel industry," Energy Policy, Elsevier, vol. 38(5), pages 2477-2485, May.
  • Handle: RePEc:eee:enepol:v:38:y:2010:i:5:p:2477-2485
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Haikonen, Turo & Tuomaala, Mari & Holmberg, Henrik & Ahtila, Pekka, 2013. "Evaluating municipal energy efficiency in biorefinery integration," Energy, Elsevier, vol. 63(C), pages 260-267.
    2. repec:gam:jeners:v:11:y:2018:i:1:p:234-:d:127652 is not listed on IDEAS
    3. Tanaka, Kanako, 2012. "A comparison study of EU and Japan methods to assess CO2 emission reduction and energy saving in the iron and steel industry," Energy Policy, Elsevier, vol. 51(C), pages 578-585.
    4. Abdul Quader, M. & Ahmed, Shamsuddin & Dawal, S.Z. & Nukman, Y., 2016. "Present needs, recent progress and future trends of energy-efficient Ultra-Low Carbon Dioxide (CO2) Steelmaking (ULCOS) program," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 537-549.
    5. Vera Zipperer & Misato Sato & Karsten Neuhoff, 2017. "Benchmarks for Emissions Trading – General Principles for Emissions Scope," Discussion Papers of DIW Berlin 1712, DIW Berlin, German Institute for Economic Research.
    6. Flues, Florens & Rübbelke, Dirk & Vögele, Stefan, 2013. "Energy efficiency and industrial output: The case of the iron and steel industry," ZEW Discussion Papers 13-101, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
    7. Makridou, Georgia & Andriosopoulos, Kostas & Doumpos, Michael & Zopounidis, Constantin, 2016. "Measuring the efficiency of energy-intensive industries across European countries," Energy Policy, Elsevier, vol. 88(C), pages 573-583.
    8. Suopajärvi, Hannu & Pongrácz, Eva & Fabritius, Timo, 2014. "Bioreducer use in Finnish blast furnace ironmaking – Analysis of CO2 emission reduction potential and mitigation cost," Applied Energy, Elsevier, vol. 124(C), pages 82-93.
    9. Ates, Seyithan A., 2015. "Energy efficiency and CO2 mitigation potential of the Turkish iron and steel industry using the LEAP (long-range energy alternatives planning) system," Energy, Elsevier, vol. 90(P1), pages 417-428.
    10. Ang, B.W. & Xu, X.Y., 2013. "Tracking industrial energy efficiency trends using index decomposition analysis," Energy Economics, Elsevier, vol. 40(C), pages 1014-1021.
    11. Giacone, E. & Mancò, S., 2012. "Energy efficiency measurement in industrial processes," Energy, Elsevier, vol. 38(1), pages 331-345.
    12. Morfeldt, Johannes & Silveira, Semida, 2014. "Methodological differences behind energy statistics for steel production – Implications when monitoring energy efficiency," Energy, Elsevier, vol. 77(C), pages 391-396.
    13. Meng, Ming & Niu, Dongxiao & Shang, Wei, 2012. "CO2 emissions and economic development: China's 12th five-year plan," Energy Policy, Elsevier, vol. 42(C), pages 468-475.
    14. repec:gam:jsusta:v:10:y:2018:i:2:p:162-:d:128191 is not listed on IDEAS
    15. repec:eee:appene:v:212:y:2018:i:c:p:1563-1577 is not listed on IDEAS
    16. Brunke, Jean-Christian & Blesl, Markus, 2014. "A plant-specific bottom-up approach for assessing the cost-effective energy conservation potential and its ability to compensate rising energy-related costs in the German iron and steel industry," Energy Policy, Elsevier, vol. 67(C), pages 431-446.
    17. Nielsen, Hana, 2017. "Productive efficiency in the iron and steel sector under state planning: The case of China and former Czechoslovakia in a comparative perspective," Applied Energy, Elsevier, vol. 185(P2), pages 1732-1743.

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