There's a beer called an eisbock from Bavaria that is fortified using this principal. They cool the beer to just below zero causing the water to form ice and then scoop it off the top as it floats on the surface. It's considered a form of distillation.
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Reply to Can you extract a fully concentrated liquid out of an ice cube (like Coca Cola) until there's almost no water left? by Froggiebuns
There's a beer called an eisbock from Bavaria that is fortified using this principal. They cool the beer to just below zero causing the water to form ice and then scoop it off the top as it floats on the surface. It's considered a form of distillation.