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A solar thermochemical power plant using ammonia as an attractive option for greenhouse-gas abatement

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  • Luzzi, Andreas
  • Lovegrove, Keith

Abstract

The lack of effective means for energy storage and transport is often put forward as one of the major obstacles to the mass utilisation of solar energy. ANU's development of large paraboloidal solar collectors and a thermochemical heat-pipe transport concept could well be combined to offer an attractive solution to this problem. A 4-MWe solar-assisted natural gas power plant is under consideration for Tennant Creek in Northern Australia. This base-load power plant will employ a steam Rankine cycle power conversion unit and incorporate an array of 28 direct-steam-generating dishes with 400-m2 aperture each. A preliminary investigation of replacing its water/steam heat transfer network with an ammonia-based heat transfer system indicates that 24-hour storage could be provided at an additional cost of only 12%. Furthermore, for alternative sites with no natural gas back-up available, it was found that a thermochemical ammonia system could demonstrate 24-hour base-load solar power generation for the same per-dish capital cost as a solar-only steam system without storage. This opens the market to megawatt-size, remote, off-grid applications. Pollution and greenhouse-gas emissions from such a closed-loop solar power generation system would be zero.

Suggested Citation

  • Luzzi, Andreas & Lovegrove, Keith, 1997. "A solar thermochemical power plant using ammonia as an attractive option for greenhouse-gas abatement," Energy, Elsevier, vol. 22(2), pages 317-325.
    • Handle: RePEc:eee:energy:v:22:y:1997:i:2:p:317-325
    DOI: 10.1016/S0360-5442(96)00131-4
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    Cited by:

    1. Marias, Foivos & Neveu, Pierre & Tanguy, Gwennyn & Papillon, Philippe, 2014. "Thermodynamic analysis and experimental study of solid/gas reactor operating in open mode," Energy, Elsevier, vol. 66(C), pages 757-765.
    2. Gianpiero Colangelo & Gianluigi Spirto & Marco Milanese & Arturo de Risi, 2021. "Progresses in Analytical Design of Distribution Grids and Energy Storage," Energies, MDPI, vol. 14(14), pages 1-43, July.
    3. Ma, Q. & Luo, L. & Wang, R.Z. & Sauce, G., 2009. "A review on transportation of heat energy over long distance: Exploratory development," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(6-7), pages 1532-1540, August.
    4. Sunku Prasad, J. & Muthukumar, P. & Desai, Fenil & Basu, Dipankar N. & Rahman, Muhammad M., 2019. "A critical review of high-temperature reversible thermochemical energy storage systems," Applied Energy, Elsevier, vol. 254(C).
    5. 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.

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