desalination; desalinization; desalting
Technical term for removing salt from seawater or brackish water to produce fresh water.
In this region, desalination of seawater is an important water resource.
新しい淡水化プラントが建設された。
A new desalination plant was built.
Compound of 淡水 (fresh water) + 化 (-ization, -ification).