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Should a small combined heat and power plant (CHP) open to its regional power and heat networks? Integrated economic, energy, and emergy evaluation of optimization plans for Jiufa CHP

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  • Peng, T.
  • Lu, H.F.
  • Wu, W.L.
  • Campbell, D.E.
  • Zhao, G.S.
  • Zou, J.H.
  • Chen, J.

Abstract

The development of industrial ecology has led company managers to increasingly consider their company's niche in the regional system, and to develop optimization plans. We used emergy-based, ecological-economic synthesis to evaluate two optimization plans for the Jiufa Combined Heat and Power (CHP) Plant, Shandong China. In addition, we performed economic input–output analysis and energy analysis on the system. The results showed that appropriately incorporating a firm with temporary extra productivity into its regional system will help maximize the total productivity and improve ecological-economic efficiency and benefits to society, even without technical optimization of the firm itself. In addition, developing a closer relationship between a company and its regional system will facilitate the development of new optimization opportunities. Small coal-based CHP plants have lower-energy efficiency, higher environmental loading, and lower sustainability than large fossil fuel and renewable energy-based systems. The emergy exchange ratio (EER) proved to be an important index for evaluating the vitality of highly developed ecological-economic systems.

Suggested Citation

  • Peng, T. & Lu, H.F. & Wu, W.L. & Campbell, D.E. & Zhao, G.S. & Zou, J.H. & Chen, J., 2008. "Should a small combined heat and power plant (CHP) open to its regional power and heat networks? Integrated economic, energy, and emergy evaluation of optimization plans for Jiufa CHP," Energy, Elsevier, vol. 33(3), pages 437-445.
    • Handle: RePEc:eee:energy:v:33:y:2008:i:3:p:437-445
    DOI: 10.1016/j.energy.2007.02.004
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    References listed on IDEAS

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    3. Cortés, E. & Rivera, W., 2010. "Exergetic and exergoeconomic optimization of a cogeneration pulp and paper mill plant including the use of a heat transformer," Energy, Elsevier, vol. 35(3), pages 1289-1299.
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    5. Mancarella, Pierluigi, 2014. "MES (multi-energy systems): An overview of concepts and evaluation models," Energy, Elsevier, vol. 65(C), pages 1-17.
    6. Ren, Siyue & Feng, Xiao & Yang, Minbo, 2023. "Solution of issues in emergy theory caused by pathway tracking: Taking China's power generation system as an example," Energy, Elsevier, vol. 262(PB).
    7. Ren, Siyue & Feng, Xiao, 2021. "Emergy evaluation of ladder hydropower generation systems in the middle and lower reaches of the Lancang River," Renewable Energy, Elsevier, vol. 169(C), pages 1038-1050.
    8. Lu, Hongfang & Xu, FengYing & Liu, Hongxiao & Wang, Jun & Campbell, Daniel E. & Ren, Hai, 2019. "Emergy-based analysis of the energy security of China," Energy, Elsevier, vol. 181(C), pages 123-135.
    9. Zhang, Meimei & Wang, Zhifeng & Xu, Chao & Jiang, Hui, 2012. "Embodied energy and emergy analyses of a concentrating solar power (CSP) system," Energy Policy, Elsevier, vol. 42(C), pages 232-238.
    10. Kazemi-Beydokhti, Amin & Zeinali Heris, Saeed, 2012. "Thermal optimization of combined heat and power (CHP) systems using nanofluids," Energy, Elsevier, vol. 44(1), pages 241-247.
    11. Zhao, X.L. & Fu, L. & Zhang, S.G. & Jiang, Y. & Li, H., 2010. "Performance improvement of a 70 kWe natural gas combined heat and power (CHP) system," Energy, Elsevier, vol. 35(4), pages 1848-1853.
    12. Lu, Hongfang & Lin, Bin-Le & Campbell, Daniel E. & Sagisaka, Masayuki & Ren, Hai, 2012. "Biofuel vs. biodiversity? Integrated emergy and economic cost-benefit evaluation of rice-ethanol production in Japan," Energy, Elsevier, vol. 46(1), pages 442-450.

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