This specialized brewing requires a deep understanding of fermentation, as the goal is to halt or reverse the process that normally creates ethanol, leaving behind the complex malt, hop, and yeast character that defines the style. The alcohol vapor is then captured and condensed into a separate stream, leaving behind the flavorful, alcohol-free beer.
Precision Method for Removing Alcohol Without Sacrificing Flavor
This biological process is what gives beer its alcoholic strength and much of its flavor profile. Each method presents a unique set of trade-offs regarding flavor retention, production cost, and scalability, influencing how is zero alcohol beer made in a specific brewery.
The resulting "young beer" is a fully fermented beverage containing roughly 5 to 7% alcohol by volume (ABV), which is then subjected to the specialized steps that reduce that alcohol to near zero. Spinning cone columns use a rotating apparatus to separate volatile compounds from the beer, which are then selectively removed.
Precision Method for Removing Alcohol from Fermented Beer
Methods of Alcohol Removal With the fermented beer ready, the challenge shifts to removing the alcohol without stripping the flavor. This membrane is fine enough to allow water and alcohol molecules to pass through while blocking larger molecules like sugars, proteins, and flavor-active compounds.
More About How is zero alcohol beer made
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