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Dehumidification and humidification process of desiccant solution by air injection

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  • Kabeel, A.E.

Abstract

Liquid desiccant dehumidification was proved to be an effective method to extract the moisture from air with a relatively less energy. An experimental study was carried out to evaluate the liquid desiccant system performance during dehumidification and humidification processes using an injected air through the liquid desiccant solution (calcium chloride). A different air mass flow rates though the desiccant solution was considered during the experimental work. The desiccant system was studied at different operating conditions like different temperatures, different humidity ratios and different solution levels. The effectiveness for both the dehumidification and humidification processes was calculated through this work. It was found that, the system effectiveness reached to 0.87 in the dehumidification and about 0.92 in the humidification process. Also; the experimental results showed a mass transfer coefficient of 28kgs−1m2mm Hg at an air mass flow rate of 0.022kgs−1 in the dehumidification process. The cooling effect factor was also studied and analyzed during that work.

Suggested Citation

  • Kabeel, A.E., 2010. "Dehumidification and humidification process of desiccant solution by air injection," Energy, Elsevier, vol. 35(12), pages 5192-5201.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:12:p:5192-5201
    DOI: 10.1016/j.energy.2010.07.047
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    References listed on IDEAS

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    Cited by:

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    2. Dong, Chuanshuai & Lu, Lin & Wen, Tao, 2018. "Investigating dehumidification performance of solar-assisted liquid desiccant dehumidifiers considering different surface properties," Energy, Elsevier, vol. 164(C), pages 978-994.
    3. Gandhidasan, P. & Mohandes, M.A., 2011. "Artificial neural network analysis of liquid desiccant dehumidification system," Energy, Elsevier, vol. 36(2), pages 1180-1186.
    4. Liang, Jyun-De & Huang, Bo-Hao & Chiang, Yuan-Ching & Chen, Sih-Li, 2020. "Experimental investigation of a liquid desiccant dehumidification system integrated with shallow geothermal energy," Energy, Elsevier, vol. 191(C).
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    6. Koichi Kawamoto & Wanghee Cho & Hitoshi Kohno & Makoto Koganei & Ryozo Ooka & Shinsuke Kato, 2016. "Field Study on Humidification Performance of a Desiccant Air-Conditioning System Combined with a Heat Pump," Energies, MDPI, vol. 9(2), pages 1-22, January.

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