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Energy-use analysis and improvement for delayed coking units

Author

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  • Chen, Q.L.
  • Yin, Q.H.
  • Wang, S.P.
  • Hua, B.

Abstract

This paper presents the energy and exergy analyses for a delayed coking unit in a Chinese refinery using the three-link energy structural model. According to the results of energy-use analysis and evaluation, the potentials of energy-use and improvements for energy-savings as well as detail procedures are suggested. The proposed improvements are expected to remarkably lower the energy consumption and to improve the economic profits of the delayed coking unit. Compared to the original unit, the energy consumption of the improved flowsheet decreased by 37.2%, which demonstrates that the applied strategies are suitable for the energy-use analysis and improvement of process systems.

Suggested Citation

  • Chen, Q.L. & Yin, Q.H. & Wang, S.P. & Hua, B., 2004. "Energy-use analysis and improvement for delayed coking units," Energy, Elsevier, vol. 29(12), pages 2225-2237.
    • Handle: RePEc:eee:energy:v:29:y:2004:i:12:p:2225-2237
    DOI: 10.1016/j.energy.2004.03.021
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    References listed on IDEAS

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    1. Chen, Q.L. & Yin, Q.H. & Hua, B., 2002. "An exergoeconomic approach for retrofit of fractionating systems," Energy, Elsevier, vol. 27(1), pages 65-75.
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    Cited by:

    1. Bussman, W.R. & Baukal, C.E., 2009. "Ambient condition effects on process heater efficiency," Energy, Elsevier, vol. 34(10), pages 1624-1635.
    2. Liu, X.G. & He, C. & He, C.C. & Chen, J.J. & Zhang, B.J. & Chen, Q.L., 2017. "A new retrofit approach to the absorption-stabilization process for improving energy efficiency in refineries," Energy, Elsevier, vol. 118(C), pages 1131-1145.
    3. Wu, Junnian & Pu, Guangying & Guo, Yan & Lv, Jingwen & Shang, Jiangwei, 2018. "Retrospective and prospective assessment of exergy, life cycle carbon emissions, and water footprint for coking network evolution in China," Applied Energy, Elsevier, vol. 218(C), pages 479-493.
    4. Soiket, Md.I.H. & Oni, A.O. & Gemechu, E.D. & Kumar, A., 2019. "Life cycle assessment of greenhouse gas emissions of upgrading and refining bitumen from the solvent extraction process," Applied Energy, Elsevier, vol. 240(C), pages 236-250.
    5. Nimana, Balwinder & Canter, Christina & Kumar, Amit, 2015. "Energy consumption and greenhouse gas emissions in upgrading and refining of Canada's oil sands products," Energy, Elsevier, vol. 83(C), pages 65-79.
    6. de Lima, Romulo S. & Schaeffer, Roberto, 2011. "The energy efficiency of crude oil refining in Brazil: A Brazilian refinery plant case," Energy, Elsevier, vol. 36(5), pages 3101-3112.
    7. Wei, Zhiqiang & Zhang, Bingjian & Wu, Shengyuan & Chen, Qinglin & Tsatsaronis, George, 2012. "Energy-use analysis and evaluation of distillation systems through avoidable exergy destruction and investment costs," Energy, Elsevier, vol. 42(1), pages 424-433.

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