DIAGRAM OF YEAST PRODUCTION Pure culture in tubes Yield : a few hundred kilos Yield : few tonnes Sewage Cream storage Yeast cream preparation Kastalia 0,1 to 1m 3 container Fresh yeast Liquid yeast Dry yeast Truck Carlsberg Yield : a few hundred grams Commercial generation Yield : a few tens tonnes Seed • Sugar • O 2 • Nutrients : Vitamins, Trace-elements Vanlaere flask CENTRIFUGAL SEPARATOR WASTE WATER TREATMENT PLANT VACUUM FILTER EXTRUDER DRYING PLANT PRE FERMENTATION CONSERVATION MULTIPLICATION LABORATORY Water LESAFFRE © 2010