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The largest wine encyclopedia in the world

23.006 Keywords • 48.226 Synonyms • 5.304 Translations • 28.313 Pronunciations

0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

pervaporation

Technical membrane process for cleaning liquid mixtures with which certain substances can be removed. For each application, the relevant membrane (separating layer) must be selected in which the contaminating mixture component dissolves much better than the valuable substance or the component present in excess or remaining after the process. After the membrane has penetrated, the contamination evaporates on the rear side. The procedure is also for the alcohol reduction used by wine, in this case the "contaminating mixture component" is that ethanol, See also under winemaking,

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