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Energy savings by co-production: A methanol/electricity case study

Listed author(s):
  • Liu, Guang-jian
  • Li, Zheng
  • Wang, Ming-hua
  • Ni, Wei-dou
Registered author(s):

    The overall exergy losses of co-production systems were decomposed into five sub-systems: chemical reaction processes, heat exchange processes, external exergy losses, turbine/mechanical exergy losses and others. By defining new parameters called energy-saving factors, we quantitatively describe the contribution of these processes to the overall energy savings relative to separate production systems. A methanol/electricity co-production system is taken as case study, results show that heat exchange processes are the main contribution to the energy savings.

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    Article provided by Elsevier in its journal Applied Energy.

    Volume (Year): 87 (2010)
    Issue (Month): 9 (September)
    Pages: 2854-2859

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    Handle: RePEc:eee:appene:v:87:y:2010:i:9:p:2854-2859
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    1. Prins, M.J. & Ptasinski, K.J., 2005. "Energy and exergy analyses of the oxidation and gasification of carbon," Energy, Elsevier, vol. 30(7), pages 982-1002.
    2. Yamashita, Kei & Barreto, Leonardo, 2005. "Energyplexes for the 21st century: Coal gasification for co-producing hydrogen, electricity and liquid fuels," Energy, Elsevier, vol. 30(13), pages 2453-2473.
    3. Wang, Zhifang & Zheng, Danxing & Jin, Hongguang, 2009. "Energy integration of acetylene and power polygeneration by flowrate-exergy diagram," Applied Energy, Elsevier, vol. 86(3), pages 372-379, March.
    4. Hetland, Jens & Zheng, Li & Shisen, Xu, 2009. "How polygeneration schemes may develop under an advanced clean fossil fuel strategy under a joint sino-European initiative," Applied Energy, Elsevier, vol. 86(2), pages 219-229, February.
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