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Electrodialysis

Dialysis (or dissolution) is a concentration-driven membrane process that can be used to remove very small particles (ions or molecules) from solutions. If electrical voltage is used in this process, it is known as electrodialysis. The process has been used to desalinate seawater since the 1960s. The process can be used in winemaking within the EU, provided that certain conditions are met. The membranes must not cause excessive changes in the physical-chemical composition and sensory characteristics of the wine. Since the 1990s, it has been used for the removal of tartar (tartaric stabilisation) or for alcohol reduction. The Spinning Cone Column process, on the other hand, which is similar in its approach, is only permitted to a limited extent within the EU

Complete lists of the numerous cellar techniques, as well as the types of wine, sparkling wine and distillate regulated by wine law are included under the keyword vinification. Comprehensive information on wine law can be found under the keyword wine law.

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