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On the experimental study of a hybrid dehumidifier comprising membrane and composite desiccants

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  • Chua, K.J.
  • Chou, S.K.
  • Islam, M.R.

Abstract

The paper describes the development of a hybrid solution that improves air dehumidification. It comprises the integration of a composite desiccant and a nano-woven membrane for air dehumidification. The solution compliments any building HVAC project where the removing moisture from the air via an energy-efficient means is a concern. Longer sustainable performance of the desiccant is achieved as the non-regenerative membrane assists in partial air dehumidification. Accordingly, the hybrid system requires a lower regenerating temperature while producing air of very low humidity. In sum, the proposed hybrid solution involves the composite desiccant and membrane to work hand-in-hand in order to achieve enhanced moisture removal efficiency and improved energy efficiency by up to 40% compared to the best grade commercial silica-gel desiccant.

Suggested Citation

  • Chua, K.J. & Chou, S.K. & Islam, M.R., 2018. "On the experimental study of a hybrid dehumidifier comprising membrane and composite desiccants," Applied Energy, Elsevier, vol. 220(C), pages 934-943.
    • Handle: RePEc:eee:appene:v:220:y:2018:i:c:p:934-943
    DOI: 10.1016/j.apenergy.2017.12.116
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    References listed on IDEAS

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    Cited by:

    1. Dasar, Sangappa R. & Boche, Abhijeet M. & Yadav, Ajay K. & S., Anish, 2023. "Sorption–desorption characteristics of dried cow dung with PVP and clay as composite desiccants: Experimental and exergetic analysis," Renewable Energy, Elsevier, vol. 202(C), pages 394-404.
    2. Cui, Xin & Yan, Weichao & Liu, Yilin & Zhao, Min & Jin, Liwen, 2020. "Performance analysis of a hollow fiber membrane-based heat and mass exchanger for evaporative cooling," Applied Energy, Elsevier, vol. 271(C).
    3. Vivekh, P. & Bui, D.T. & Islam, M.R. & Zaw, K. & Chua, K.J., 2020. "Experimental performance and energy efficiency investigation of composite superabsorbent polymer and potassium formate coated heat exchangers," Applied Energy, Elsevier, vol. 275(C).
    4. Islam, M.R. & Alan, S.W.L. & Chua, K.J., 2018. "Studying the heat and mass transfer process of liquid desiccant for dehumidification and cooling," Applied Energy, Elsevier, vol. 221(C), pages 334-347.
    5. Low, Elaine & Huang, Si-Min & Yang, Minlin & Show, Pau Loke & Law, Chung Lim, 2021. "Design of cascade analysis for renewable and waste heat recovery in a solar thermal regeneration unit of a liquid desiccant dehumidification system," Energy, Elsevier, vol. 235(C).

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