II.4.4.2 Continuous tirage under constant pressure in a closed tank

Definition :

An operation that consists of introducing to the beginning of the continuous system (under constant pressure and in a continuous manner) the biologically deoxygenated base wine, well blended with the tirage liqueur and with a culture of selected yeasts.

Objective :

To allow the second alcoholic fermentation in order to produce the effervescence, in a continuous manner.

Recommendation of OIV:

Admitted