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Energy audit of a steel mill

Author

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  • Ho, J.C.
  • Chou, S.K.
  • Chandratilleke, T.T.

Abstract

We present an audit of energy use at a steel mill in Singapore which produces wire rods and bars from scrap iron using the arc furnace process. The audit shows that the specific energy consumption is 1095 kWh/t of rolled steel. The electric arc furnaces and the reheat furnaces are the major energy consumers, having specific energy consumption of 502 and 342 kWh/t; their thermal efficiencies are 50 and 62%, respectively. Scrap preheating of the third charge, optimizing the reheat furnace production rates, and recovery of furnace waste heat to preheat fuel oil offer potential for substantial energy savings.

Suggested Citation

  • Ho, J.C. & Chou, S.K. & Chandratilleke, T.T., 1991. "Energy audit of a steel mill," Energy, Elsevier, vol. 16(7), pages 1021-1029.
    • Handle: RePEc:eee:energy:v:16:y:1991:i:7:p:1021-1029
    DOI: 10.1016/0360-5442(91)90062-Q
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    Cited by:

    1. Saidur, R., 2010. "A review on electrical motors energy use and energy savings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(3), pages 877-898, April.
    2. Loganthurai, P. & Rajasekaran, V. & Gnanambal, K., 2016. "Evolutionary algorithm based optimum scheduling of processing units in rice industry to reduce peak demand," Energy, Elsevier, vol. 107(C), pages 419-430.
    3. Saidur, R. & Rahim, N.A. & Hasanuzzaman, M., 2010. "A review on compressed-air energy use and energy savings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(4), pages 1135-1153, May.

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