In the circumstances, it seems to be desirable to direct attention to some of the possible methods of removing salt from sea-water to produce potable water, and to indicate their limitations.

Desalination plants in Israel use the same material, differing only in the amount of energy consumption and the type of membrane used in the process. Salt concentration in sea water is much higher ...

These ions are carried with runoff water and ultimately reach the ocean. Sodium and chloride, the main constituents of the type of salt used in cooking, make up over 90% of all the ions found in ...

Nations have gone to war over salt. People have boiled spring water to extract salt for use, and tried to remove salt from ocean water to make ocean water drinkable. We use it on snowy days to de ...

Cornwall Live readers are divided - some agree with the protesters, but others see it as a way to protect the rivers. Desalination plants extract water from the sea, remove the salt, and further treat ...