4.7 Article

Electrospray technique to produce fine sprays of desiccant liquids. Application to moisture removal from air

Journal

ENERGY AND BUILDINGS
Volume 162, Issue -, Pages 187-197

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2017.11.071

Keywords

Desiccant cooling; Electrospray; Liquid desiccant

Funding

  1. Centro para el Desarrollo Tecnico Industrial (CDTI) under FEDER-INNTERCONECTA program

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The most extended method to reduce humidity in conditioned spaces are based on cooling coils. This system reduces the amount of water in the air stream through the condensation of water on the coil surface. Desiccant materials have been assessed as an alternative to these systems aiming at improving the process efficiency. Desiccant materials efficiency is based on the contact surface between the liquid and the air stream, therefore, the higher the contact surface is, determines how much water will be removed. The combination of desiccant liquid and electrohydrodynamic techniques is considered as a challenging topic to produce a very fine spray that leads to an increase of surface contact. This paper covers the technical feasibility of electrospray technique to produce small droplets of desiccant liquids that are used to reduce the humidity content. (C) 2017 Elsevier B.V. All rights reserved.

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