Water desalination by air humidification: Mathematical model and experimental study |
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| Authors: | Juan-Jorge Hermosillo Camilo A. Arancibia-Bulnes Claudio A. Estrada |
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| Affiliation: | 1. Centro de Investigación en Energía, Universidad Nacional Autónoma de México, Priv. Xochicalco s/n, Col. Centro, Temixco, Morelos 62580, Mexico;2. Departamento de Procesos Tecnológicos e Industriales, ITESO, Periférico Sur 8585, Tlaquepaque, Jalisco 45604, Mexico;1. Department of Mechanical Engineering, Thiagarajar College of Engineering, Madurai 625015, Tamilnadu, India;2. Department of Mechanical Engineering, Sethu Institute of Technology, Kariapatti 626115, Tamilnadu, India;1. Mechanical Power Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt;2. Center for Excellence in Energy and Nano Technology, S.A. Engineering College, Chennai, Tamil Nadu, India;3. Department of Mechanical Engineering, S.A. Engineering College, Chennai, Tamil Nadu, India;4. Department of Mechanical Engineering, Kamaraj Engineering and Technology College, Virudhunagar, Tamil Nadu, India |
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| Abstract: | A desalination system based on the humidification and dehumidification of air is studied. The evaporator unit is based on a treated cellulose paper substratum through which water flows, and which has a large area to favor evaporation. The condenser unit is a liquid–gas heat exchanger, where water vapor is condensed and the enthalpy of condensation is recovered to preheat the water. The mathematical model and experimental results are presented and it is shown that they present a good agreement. Some operating conditions for better heat recovery are presented. |
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