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Optimal design of a chemical heat pump using the 2-propanol/acetone/hydrogen system

Author

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  • Chung, Yonsoo
  • Kim, Beom-Jae
  • Yeo, Yeong-Koo
  • Song, Hyung Keun

Abstract

Low-level thermal energy is upgraded by using the reversible reactions of 2-propanol dehydrogenation and acetone hydrogenation. A new design criterion for optimal operation is proposed using modeling and numerical simulation. Optimal values have been obtained for the reflux ratio and the number of trays of the distillation column for given operating conditions. Simulation results show that the enthalpy efficiency is affected by the reflux ratio, feed positions into the distillation column and reaction temperatures.

Suggested Citation

  • Chung, Yonsoo & Kim, Beom-Jae & Yeo, Yeong-Koo & Song, Hyung Keun, 1997. "Optimal design of a chemical heat pump using the 2-propanol/acetone/hydrogen system," Energy, Elsevier, vol. 22(5), pages 525-536.
    • Handle: RePEc:eee:energy:v:22:y:1997:i:5:p:525-536
    DOI: 10.1016/S0360-5442(96)00145-4
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    Cited by:

    1. Kiss, Anton A. & Flores Landaeta, Servando J. & Infante Ferreira, Carlos A., 2012. "Towards energy efficient distillation technologies – Making the right choice," Energy, Elsevier, vol. 47(1), pages 531-542.
    2. Ajah, A.N. & Mesbah, A. & Grievink, J. & Herder, P.M. & Falcao, P.W. & Wennekes, S., 2008. "On the robustness, effectiveness and reliability of chemical and mechanical heat pumps for low-temperature heat source district heating: A comparative simulation-based analysis and evaluation," Energy, Elsevier, vol. 33(6), pages 908-929.
    3. Xu, Min & Cai, Jun & Guo, Jiangfeng & Huai, Xiulan & Liu, Zhigang & Zhang, Hang, 2017. "Technical and economic feasibility of the Isopropanol-Acetone-Hydrogen chemical heat pump based on a lab-scale prototype," Energy, Elsevier, vol. 139(C), pages 1030-1039.
    4. Tereshchenko, Tymofii & Nord, Natasa, 2016. "Energy planning of district heating for future building stock based on renewable energies and increasing supply flexibility," Energy, Elsevier, vol. 112(C), pages 1227-1244.
    5. Zhu, Huichao & Zhang, Houcheng, 2023. "Upgrading the low-grade waste heat from alkaline fuel cells via isopropanol-acetone-hydrogen chemical heat pumps," Energy, Elsevier, vol. 265(C).
    6. Guo, Jiangfeng & Huai, Xiulan & Li, Xunfeng & Xu, Mingtian, 2012. "Performance analysis of Isopropanol–Acetone–Hydrogen chemical heat pump," Applied Energy, Elsevier, vol. 93(C), pages 261-267.
    7. Daghigh, Ronak & Ruslan, Mohd Hafidz & Sulaiman, Mohamad Yusof & Sopian, Kamaruzzaman, 2010. "Review of solar assisted heat pump drying systems for agricultural and marine products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(9), pages 2564-2579, December.
    8. Guo, Jiangfeng & Huai, Xiulan, 2012. "Optimization design of recuperator in a chemical heat pump system based on entransy dissipation theory," Energy, Elsevier, vol. 41(1), pages 335-343.
    9. Yan, T. & Wang, R.Z. & Li, T.X. & Wang, L.W. & Fred, Ishugah T., 2015. "A review of promising candidate reactions for chemical heat storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 13-31.
    10. Guo, Jiangfeng & Huai, Xiulan, 2012. "The application of entransy theory in optimization design of Isopropanol–Acetone–Hydrogen chemical heat pump," Energy, Elsevier, vol. 43(1), pages 355-360.

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