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Mass transfer in vertical cloth layers impregnated with calcium chloride for recovery of water from air

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  • Hamed, Ahmed M.
  • Sultan, Ahmed A.

Abstract

This paper presents an investigation on the absorption/regeneration mass transfer through parallel plates of cloth layers. Cloth layers impregnated with calcium chloride solution are subjected to absorption of water vapour from a flowing air stream with subsequent regeneration by a hot stream. Concentration range of desiccant from 0.2 to 0.5 is applied in this study. Experimental measurements are used to evaluate the mass transfer coefficient and Sherwood number. An attempt to fit the Sherwood number as a function of the Reynolds number, for the operating range of the Schmidt number, has been made. Scatter of the experimental values of the Sherwood number is observed and discussed in this work.

Suggested Citation

  • Hamed, Ahmed M. & Sultan, Ahmed A., 2002. "Mass transfer in vertical cloth layers impregnated with calcium chloride for recovery of water from air," Renewable Energy, Elsevier, vol. 27(1), pages 13-25.
    • Handle: RePEc:eee:renene:v:27:y:2002:i:1:p:13-25
    DOI: 10.1016/S0960-1481(01)00176-8
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    References listed on IDEAS

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    1. Gad, H.E & Hamed, A.M & El-Sharkawy, I.I, 2001. "Application of a solar desiccant/collector system for water recovery from atmospheric air," Renewable Energy, Elsevier, vol. 22(4), pages 541-556.
    2. Hamed, Ahmed M, 2000. "Absorption–regeneration cycle for production of water from air-theoretical approach," Renewable Energy, Elsevier, vol. 19(4), pages 625-635.
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    Cited by:

    1. Talaat, M.A. & Awad, M.M. & Zeidan, E.B. & Hamed, A.M., 2018. "Solar-powered portable apparatus for extracting water from air using desiccant solution," Renewable Energy, Elsevier, vol. 119(C), pages 662-674.
    2. Ramzy, Ahmed K. & Kadoli, Ravikiran & T.P., Ashok Babu, 2013. "Experimental and theoretical investigations on the cyclic operation of TSA cycle for air dehumidification using packed beds of silica gel particles," Energy, Elsevier, vol. 56(C), pages 8-24.
    3. Fathy, Mohamed H. & Awad, Mohamed M. & Zeidan, El-Shafei B. & Hamed, Ahmed M., 2020. "Solar powered foldable apparatus for extracting water from atmospheric air," Renewable Energy, Elsevier, vol. 162(C), pages 1462-1489.
    4. William, G.E. & Mohamed, M.H. & Fatouh, M., 2015. "Desiccant system for water production from humid air using solar energy," Energy, Elsevier, vol. 90(P2), pages 1707-1720.
    5. Salah Hassan, M. & Hassan, A.A.M., 2009. "Performance of a proposed complete wetting surface counter flow channel type liquid desiccant air dehumidifier," Renewable Energy, Elsevier, vol. 34(10), pages 2107-2116.

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