Abstract

In hot and humid areas, the liquid desiccant air-conditioning systems based on evaporative cooling was proposed as an alternative to the traditional vapor compression systems due to its advantage in, removing the air latent load, friendly environment, removing of pollutants from the process air and reduction of the electrical energy. This paper briefly surveys the recent researches and development activities in liquid desiccant dehumidification systems combined with evaporative cooling technologies. A basic description of the principle operation for liquid desiccants and classification of hybrid liquid desiccant systems is given first. Next, liquid desiccant dehumidification systems are included. Finally, hybrid liquid desiccant with direct evaporative and indirect evaporative cooling systems are discussed.

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