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Experimental and theoretical analysis of air humidification/dehumidification processes using hydrophobic capillary contactors.

Author(s) : BERGERO S., CHIARI A.

Type of article: Article

Summary

The paper deals with an experimental and theoretical investigation of air humidification/dehumidification processes carried out in a hollow-fibre membrane contactor. The cross-flow contactor consists of a 1.2 m2 total membrane surface of hollow polypropylene capillaries arranged in a staggered array and has a mass transfer area per unit volume of 593 m2/m3. The heat and vapour mass transfer between the liquid phase (water and lithium chloride saturated solution) and the process air is analyzed. Experiments show a high mass transfer efficiency for both humidification and dehumidification. Furthermore, a numerical model to predict heat and mass transfer through the contactor has been developed. Experimental results are in good agreement with theoretical predictions.

Details

  • Original title: Experimental and theoretical analysis of air humidification/dehumidification processes using hydrophobic capillary contactors.
  • Record ID : 2002-0369
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 21 - n. 11
  • Publication date: 2001/08

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