Fractional freezing

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.

Fractional freezing of grapes to concentrate grape sugar for making ice wine.

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 refining of silicon or metals, or by partial crystallization of a liquid, as in freeze distillation, also called normal freezing or progressive freezing. The initial sample is thus fractionated (separated into fractions).

单词	Fractional freezing
释义	Fractional freezing 英语百科 Fractional freezing 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 refining of silicon or metals, or by partial crystallization of a liquid, as in freeze distillation, also called normal freezing or progressive freezing. The initial sample is thus fractionated (separated into fractions).
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