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Development of new heat exchanger network designs for a four-step Cu–Cl cycle for hydrogen production

Author

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  • Ozbilen, Ahmet
  • Dincer, Ibrahim
  • Rosen, Marc A.

Abstract

The Aspen Plus process simulation package is used to evaluate the characteristics of the four-step Cu–Cl thermochemical water splitting cycle in terms of energy and exergy, to support the ultimate development of a pilot plant. Alternative designs for the heat exchanger network using Aspen Energy Analyzer are developed and studied for thermal management within the Cu–Cl cycle. The simulation results for the four-step Cu–Cl cycle illustrate that the steam-to-copper molar ratio can be reduced to 10 from an initial value of 16 by decreasing the pressure of the hydrolysis reactor. A thermodynamic model of the four-step Cu–Cl cycle is developed to determine its energy and exergy efficiencies. The energy and exergy efficiencies of the four-step Cu–Cl cycle are determined to be 55.4% and 66.0%, respectively.

Suggested Citation

  • Ozbilen, Ahmet & Dincer, Ibrahim & Rosen, Marc A., 2014. "Development of new heat exchanger network designs for a four-step Cu–Cl cycle for hydrogen production," Energy, Elsevier, vol. 77(C), pages 338-351.
    • Handle: RePEc:eee:energy:v:77:y:2014:i:c:p:338-351
    DOI: 10.1016/j.energy.2014.08.051
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    References listed on IDEAS

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    1. Mehmet F. Orhan & Ibrahim Dincer & Marc A. Rosen, 2011. "Exergy analysis of heat exchangers in the copper–chlorine thermochemical cycle to enhance thermal effectiveness and cycle efficiency," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 6(3), pages 156-164, January.
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    Cited by:

    1. Sadeghi, Shayan & Ghandehariun, Samane, 2022. "A standalone solar thermochemical water splitting hydrogen plant with high-temperature molten salt: Thermodynamic and economic analyses and multi-objective optimization," Energy, Elsevier, vol. 240(C).
    2. Loghmani, Mohammad Hassan & Shojaei, Abdollah Fallah & Khakzad, Morteza, 2017. "Hydrogen generation as a clean energy through hydrolysis of sodium borohydride over Cu-Fe-B nano powders: Effect of polymers and surfactants," Energy, Elsevier, vol. 126(C), pages 830-840.
    3. Huang, Kefeng & Karimi, I.A., 2016. "Work-heat exchanger network synthesis (WHENS)," Energy, Elsevier, vol. 113(C), pages 1006-1017.
    4. Razi, Faran & Dincer, Ibrahim & Gabriel, Kamiel, 2020. "Energy and exergy analyses of a new integrated thermochemical copper-chlorine cycle for hydrogen production," Energy, Elsevier, vol. 205(C).
    5. Yilmaz, Fatih & Selbaş, Reşat, 2017. "Thermodynamic performance assessment of solar based Sulfur-Iodine thermochemical cycle for hydrogen generation," Energy, Elsevier, vol. 140(P1), pages 520-529.
    6. Razi, Faran & Dincer, Ibrahim & Gabriel, Kamiel, 2021. "Exergoenvironmental analysis of the integrated copper-chlorine cycle for hydrogen production," Energy, Elsevier, vol. 226(C).
    7. Al-Zareer, Maan & Dincer, Ibrahim & Rosen, Marc A., 2017. "Performance analysis of a supercritical water-cooled nuclear reactor integrated with a combined cycle, a Cu-Cl thermochemical cycle and a hydrogen compression system," Applied Energy, Elsevier, vol. 195(C), pages 646-658.
    8. Temiz, Mert & Dincer, Ibrahim, 2021. "Concentrated solar driven thermochemical hydrogen production plant with thermal energy storage and geothermal systems," Energy, Elsevier, vol. 219(C).

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