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Steam recovery from flue gas by organosilica membranes for simultaneous harvesting of water and energy

Author

Listed:
  • Norihiro Moriyama

    (Hiroshima University)

  • Akihiro Takeyama

    (PLANTEC Inc.)

  • Taichi Yamatoko

    (PLANTEC Inc.)

  • Ken-ichi Sawamura

    (Keihanna Open Innovation Center)

  • Koji Gonoi

    (Keihanna Open Innovation Center)

  • Hiroki Nagasawa

    (Hiroshima University)

  • Masakoto Kanezashi

    (Hiroshima University)

  • Toshinori Tsuru

    (Hiroshima University)

Abstract

Steam recovery from the spent gases from flues could be a key step in addressing the water shortage issue while additionally benefiting energy saving. Herein, we propose a system that uses organosilica membranes consisting of a developed layered structure to recover steam and latent heat from waste. Proof-of-concept testing is conducted in a running incinerator plant. The proposed system eliminates the need for a water supply while simultaneously recovering latent heat from the waste stream. First, the long-term stability of an organosilica membrane is confirmed over the course of six months on a laboratory-scale under a simulated waste stream. Second, steam recovery is demonstrated in a running waste incinerator plant (bench-scale), which confirms the steady operation of this steam recovery system with a steam recovery rate comparable to that recorded in the laboratory-scale test. Third, process simulation reveals that this system enables water-self-reliance with energy recovery that approximates 70% of waste combustion energy.

Suggested Citation

  • Norihiro Moriyama & Akihiro Takeyama & Taichi Yamatoko & Ken-ichi Sawamura & Koji Gonoi & Hiroki Nagasawa & Masakoto Kanezashi & Toshinori Tsuru, 2023. "Steam recovery from flue gas by organosilica membranes for simultaneous harvesting of water and energy," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43546-y
    DOI: 10.1038/s41467-023-43546-y
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    References listed on IDEAS

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    1. Men, Yiyu & Liu, Xiaohua & Zhang, Tao, 2021. "A review of boiler waste heat recovery technologies in the medium-low temperature range," Energy, Elsevier, vol. 237(C).
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    Cited by:

    1. Yousif Mohammed & Gasim Hayder & Sivadass Thiruchelvam & Hamidi Abdul Aziz, 2024. "Evaluating Building Sustainability Rating Systems: Standards and Methodologies for Energy-Water Based Assessment Criteria," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 38(12), pages 4823-4850, September.

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