Yeast Propagation Management for Breweries
Yeast is the most important component in beer production; its properties have a decisive influence on the quality, flavor and filterability of the beer.
For ideal yeast propagation – and thus for a good beer – hygienic plant design is essential. Yeast quality is defined particularly by the preservation of yeast viability and by optimized yeast vitality. GEA offers everything for comprehensive yeast management.
Features of YEAST-STAR®
The intelligent combination of a frequency-controlled pump and a controlled overflow valve allows the compensation of variations in yeast consistency and wort flow rate
The method GEA developed to determine the yeast cell count through differential turbidity measurement ensures accurate yeast pitching. Variations in the basic turbidity of the wort are compensated for. A static mixer developed especially for this application provides proper mixing of the yeast into the wort. As an alternative to differential turbidity measurement, the yeast volume can also be determined by a viable cell count.
> 0.5 bar above the CO² saturation pressure
> 0.5 bar under the wort pressure at the dosing
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