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Allocation of cumulative exergy in multiple product separation processes

Author

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  • Zhu, P.
  • Feng, X.

Abstract

When a system produces two or more products, cumulative exergy (CEx) should be allocated to each product. Separation process is a common operating unit, which is characterized by multiple products. Based on the minimum separation work (MSW) theory, a novel allocation parameter of CEx, the minimum separation power of product (MSPP), is proposed in this article. The natural causality between the MSPP and total CEx is identified. The related mathematical models are established. Finally, application of this approach to a case study involving a typical four-product distillation is given.

Suggested Citation

  • Zhu, P. & Feng, X., 2007. "Allocation of cumulative exergy in multiple product separation processes," Energy, Elsevier, vol. 32(2), pages 137-142.
    • Handle: RePEc:eee:energy:v:32:y:2007:i:2:p:137-142
    DOI: 10.1016/j.energy.2006.04.004
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    References listed on IDEAS

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    1. González, A. & Sala, J.M. & Flores, I. & López, L.M., 2003. "Application of thermoeconomics to the allocation of environmental loads in the life cycle assessment of cogeneration plants," Energy, Elsevier, vol. 28(6), pages 557-574.
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    Cited by:

    1. Khoa, T.D. & Shuhaimi, M. & Nam, H.M., 2012. "Application of three dimensional exergy analysis curves for absorption columns," Energy, Elsevier, vol. 37(1), pages 273-280.
    2. Liu, Gengyuan & Yang, Zhifeng & Chen, Bin & Ulgiati, Sergio, 2014. "Emergy-based dynamic mechanisms of urban development, resource consumption and environmental impacts," Ecological Modelling, Elsevier, vol. 271(C), pages 90-102.
    3. Liu, Gengyuan & Yang, Zhifeng & Chen, Bin & Zhang, Lixiao, 2013. "Modelling a thermodynamic-based comparative framework for urban sustainability: Incorporating economic and ecological losses into emergy analysis," Ecological Modelling, Elsevier, vol. 252(C), pages 280-287.
    4. Khoa, T.D. & Shuhaimi, M. & Hashim, H. & Panjeshahi, M.H., 2010. "Optimal design of distillation column using three dimensional exergy analysis curves," Energy, Elsevier, vol. 35(12), pages 5309-5319.

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