Multiple-effect humidification

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.^[1]

Water desalination
Methods
Distillation Multi-stage flash distillation (MSF) Multiple-effect distillation (MED) Vapor-compression (VC) Ion exchange Membrane processes Electrodialysis reversal (EDR) Reverse osmosis (RO) Nanofiltration (NF) Membrane distillation (MD) Forward osmosis (FO) Freezing desalination Geothermal desalination Solar desalination Solar humidification–dehumidification (HDH) Multiple-effect humidification (MEH) Seawater greenhouse Methane hydrate crystallization High grade water recycling Wave-powered desalination