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Vérification expérimentale de la déshumidification électro-osmotique avec des membranes de gel de silice-Nafion et plâtre de Paris.

Experimental verification of electro-osmotic dehumidification with Nafion and Plaster-silica gel membranes.

Auteurs : GERLACH D. W.

Résumé

In electro-osmotic dehumidification, a membrane composed of a desiccant material removes moisture from air to be conditioned. Then, electro-osmotic pumping driven by the application of voltage moves the moisture across the membrane and rejects it on the other side. A bench top experiment was developed to screen promising membrane materials. Two sealed humidity chambers were separated by a membrane. The changes in the humidity of the chambers were measured as current was applied to the membrane. The most successful inorganic membrane tested was a silica gel concrete using Plaster of Paris as the cement and silica gel particles as the aggregate. Nafion membranes were also tested and showed a higher current, mass flow rate, and water vapour partial pressure differential. However, the electro-osmotic flux is significantly smaller than predicted. Further research is needed to reconcile the experimental data and modeling in order to determine feasibility.

Documents disponibles

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Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Experimental verification of electro-osmotic dehumidification with Nafion and Plaster-silica gel membranes.
  • Identifiant de la fiche : 2009-1736
  • Langues : Anglais
  • Source : 2008 Purdue Conferences. 19th International Compressor Engineering Conference at Purdue & 12th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Date d'édition : 14/07/2008

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