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Home > Category Index for Science Quotations > Category Index D > Category: Desalination

Desalination Quotes (2 quotes)

Salt water when it turns into vapour becomes sweet, and the vapour does not form salt water when it condenses again. This I know by experiment. The same thing is true in every case of the kind: wine and all fluids that evaporate and condense back into a liquid state become water. They all are water modified by a certain admixture, the nature of which determines their flavour.
[Aristotle describing his distillation experiment.]
Aristotle
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (classics.mit.edu).
Science quotes on:  |  Admixture (2)  |  Brine (3)  |  Condensation (6)  |  Distillation (7)  |  Evaporation (3)  |  Experiment (369)  |  Liquid (12)  |  Salt (17)  |  Solution (109)  |  Water (122)  |  Wine (11)

There is more evidence to prove that saltness [of the sea] is due to the admixture of some substance, besides that which we have adduced. Make a vessel of wax and put it in the sea, fastening its mouth in such a way as to prevent any water getting in. Then the water that percolates through the wax sides of the vessel is sweet, the earthy stuff, the admixture of which makes the water salt, being separated off as it were by a filter.
[This is an example of Aristotle giving proof by experiment, in this case, of desalination by osmosis.]
Aristotle
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (classics.mit.edu).
Science quotes on:  |  Brine (3)  |  Experiment (369)  |  Filter (4)  |  Proof (136)  |  Salt (17)  |  Sea (57)  |  Vessel (9)  |  Wax (3)


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