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Spinning Cone Column

English term (centrifugal cone column) for a physical process used in distillation and rectification (separation of liquid mixtures). The liquid to be separated is distributed very thinly by rotating conical plates in combination with a vacuum by using centrifugal force. This process, which has long been common in beer production, is now also used in winemaking. It is used for the production of dealcoholised or low-alcohol wine by alcohol reduction, concentrated grape must and RTK, for the optimisation of the aroma or sensory properties, and for the reduction of excessive sulphurous acid content.

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