- Technical contribution
Excellent alcohol free beer
The corosys Beverage Technology GmbH & Co. KG is your partner in the field of process and process engineering in the brewing and beverage industry.
For corosys, this was a good opportunity to implement its thoroughly planned dealcoholization system (DAS). Both parties knew that the beers and the diversity of Störtebeker‘s beer range are unique in Germany. During the course of development, it became clear that the plant could not be an ordinary one for Störtebeker. The vacuum rectification process is regarded as a proven technology in beer dealcoholization but, as always, it is all about the details. At Störtebeker, product quality is paramount alongside customer satisfaction. Since the alcohol is extracted from the beer under the influence of heat in a vacuum, the main concern was to keep this input as low as possible.
Due to the skillful process design and control engineering of the plant, it was possible to reduce the rectification temperature from normally >50 °C to only 38 °C. The beer is de-alcoholized from its original alcohol content to 0.0 vol %.
What happens to the produced alcohol? The alcohol can be concentrated to up to 85 vol % via a rectifying column. With this strength it can be further used in the cosmetic and pharmaceutical industries. Part of the scope of supply of the entire system was also an ethanol metering skid prepared for customs clearance. It records the quantity of pure alcohol produced by the system with very high precision. The tank farm was additionally equipped with a calibratable loading station for delivery to tank trucks.
Everyone involved, especially the brewers at Störtebeker, are highly satisfied with the progress of the project, the implementation of the ideas and ultimately the quality of the products.