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Salt water is desalinated to produce fresh water suitable for human consumption or irrigation. One potential byproduct of desalination is salt. Desalination is used on many seagoing ships and submarines.
The International Desalination Association says that as of 2007 there were about 13,000 desalination plants operating around the world. They pumped out approximately 14.7 billion gallons (55.6 billion liters) of drinkable freshwater a day. Water desalination Methods Distillation Electrodialysis reversal (EDR) Freezing desalination Geothermal desalination High grade water recycling Ion exchange Methane hydrate crystallization Membrane processes Membrane distillation (MD) Multiple-effect humidification (MEH) Multi-stage flash distillation (MSF) Multiple-effect distillation (MED|ME) Nanofiltration (NF) Reverse osmosis (RO) Solar desalination Solar humidification-Dehumidification (HDH) Seawater greenhouse Vapor-compression (VC) Here are further guidelines. |