Physical Science

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isabellar
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Joined: Tue Sep 11, 2012 9:05 am
Occupation: Student
Project Question: Can seawater be desalted by freezing?
Project Due Date: September 17, 20012
Project Status: I am conducting my research

Physical Science

Post by isabellar »

Can seawater be "desalted" by freezing?
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deleted-72052
Former Expert
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Re: Physical Science

Post by deleted-72052 »

The answer is no since the salt will remain trapped in the ice. However, if the water is boiled, the steam can be retrieved which is distilled water with no salt.
Gerry Gruenbaum
Science Buddies "Ask an Expert" Volunteer
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deleted-90600
Former Expert
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Re: Physical Science

Post by deleted-90600 »

I agree with Mr. Gruenbaum's Expert reply, but in some cases some salt can be removed from saltwater by making it colder. If there is a lot of salt in the saltwater, lowering its temperature will lessen the water's ability to hold the dissolved salt. Some of the salt would crystallize again. Of course, distillation is the best method of desalinating water!
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