Fractional freezing
Videos
Fractional freezing is a process used in process engineering and chemistry to separate substances with different melting points. It can be done by partial melting of a solid, for example in zone refin
Fractional freezing of grapes to concentrate grape sugar for making ice wine
Eisbock beer (12% alcohol) created via freeze distillation of doppelbock beer. Barrels of beer were originally left outdoors to partially freeze, then the ice removed.