• Water desalination is still an expensive prospect.
• the world's largest seawater desalination plant
* * *
Desalination has become a viable option for the development of reliable fresh water supplies.
»a desalination plant
Англо-русский строительный словарь. — М.: Русский Язык.С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова.1995.
опреснение, обессоливание, деминерализация (воды и т. п.)
• The removal of salt (especially from sea water)