Mon February 25, 2013 By:

to conserve water can't we use the ocean water which is saline for washing our cars and other vehicles?

Expert Reply
Tue February 26, 2013
We cannot use saline ocean water since it has large amount of salt content. If used for washing, it will leave salt residues. First the marine water has to be desalinated to make it fit for human consumption.

Desalination refers to any of several processes that remove some amount of salt and other minerals from saline water. Salt water is desalinated to produce fresh water suitable for human consumption or irrigation. But this is a costly process.

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