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Développement d’un système de conditionnement d’air à déshydratant liquide utilisant des liquides ioniques

Development of a liquid dessicant air conditioning system using ionic liquids.

Numéro : 0420

Auteurs : NAKAYAMA H., HARADA M., WANG X.

Résumé

Liquid desiccant air-conditioners (LDAC) with heat pump can perform cooling dehumidification or heating humidification, and have high energy-saving and sterilization performance. Therefore, they are installed in hospitals, nursing homes, and food factories, where humidity control is required. However, lithium chloride (LiCl), a conventional humidity control liquid, is highly corrosive to metals, requiring the use of highly corrosion-resistant materials such for the pipes and the heat exchangers. This leads the problem that the manufacturing cost of the air conditioner increases.
Therefore, we developed an inexpensive and compact LDAC by adopting a novel ionic liquid (IL) that does not corrode the metals commonly used in air conditioners. In this study, we evaluated the metal solubility and sterilizing property of the ionic liquid. Based on the physical properties of the IL, the humidity control module was improved for the purpose of downsizing and cost reduction of the unit. Moreover, we conducted a performance evaluation of the LDAC in the environmental test room under the condition in which temperature and humidity change rapidly in short period of time to simulate the condition of sudden showers of rain in summer. Test results showed that processed air was supplied at very stable level.

Documents disponibles

Format PDF

Pages : 7 p.

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

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

Détails

  • Titre original : Development of a liquid dessicant air conditioning system using ionic liquids.
  • Identifiant de la fiche : 30031166
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 14th IEA Heat Pump Conference 2023, Chicago, Illinois.
  • Date d'édition : 15/05/2023

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