人类从古代就已知道海水淡化，早在公元４世纪希腊水手就发明了蒸馏法淡化海水，７世纪末发明了过滤和分类装置，１６５０年世界上第一个海水淡化站在北非的突尼斯建成。随着１９世纪工业革命的开始，海水淡化业迅速发展，淡化海水的技术不断进步。目前，西亚沙特阿拉伯海水淡 Mankind has known seawater desalination since ancient times. As early as the 4th century AD, Greek sailors invented distillation to desalinate seawater. In the late 7th century, they invented filtration and classification devices. The world’s first seawater desalination station was built in 1650 in Tunis, North Africa. With the beginning of the industrial revolution in the 19th century, the seawater desalination industry developed rapidly, and the technology of desalinating seawater continued to improve. At present, West Asia, Saudi Arabia, the sea is light