Cold group: locut. Apparatus for thermo-regulating alcoholic fermentation. Fermentation is a chemical reaction that transforms sugars into alcohol under the effect of yeasts. This reaction releases heat increasing the temperature of the wort in the tank. At a temperature above 45°C, the yeasts cannot survive. So you have to cool. For this, a refrigeration unit is used consisting of a cold water circulation system (9° C) in radiators immersed ...
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