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

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  • Liu, Guang-jian
  • Li, Zheng
  • Wang, Ming-hua
  • Ni, Wei-dou

Abstract

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.

Suggested Citation

  • Liu, Guang-jian & Li, Zheng & Wang, Ming-hua & Ni, Wei-dou, 2010. "Energy savings by co-production: A methanol/electricity case study," Applied Energy, Elsevier, vol. 87(9), pages 2854-2859, September.
    • Handle: RePEc:eee:appene:v:87:y:2010:i:9:p:2854-2859
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