Growing & Winemaking

 

New Path to Tartrate Control

October 2009
 
by Tim Patterson
 
electro-dialysis
 
Cliff Burmester, Winesecrets' senior STARS technician, operates an ED-800 STARS unit mounted in a trailer. Electro-dialysis removes the components of potassium bitartrate.
Electro-dialysis as an alternate method for cold stabilization of wine has been gaining ground in California and elsewhere. According to one industry estimate, 1.5 billion gallons of wine have gone through this process in several countries -- most of them in Europe, and perhaps 5 million gallons in California. Much of the fanfare about the new technology has focused on the potential for major energy savings, since electro-dialysis requires substantially less electricity than traditional bulk chilling. But emerging research indicates that electro-dialysis is at least as good a method in terms of wine quality, and in some cases a likely improvement.
 

 
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