Multiple-effect humidification (MEH) is a method used for thermal desalination of sea water. It uses multiple evaporation–condensation cycles at separate temperature levels to minimize the total energy consumption of solar humidification processes.

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de:Meerwasserentsalzung es:Desalación eo:Sensaligo fr:Dessalement he:התפלת מי ים nl:Ontziltingsinstallatie ja:海水淡水化 oc:Dessalinizacion