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How to remove alcohol from beer with our beer de-alcoholization systems

Alfa Laval offers two proven methods for beer de-alcoholization: stripping and membrane filtration. 

• The stripping method for alcohol removal is ideal for high-volume, continuous production at 38°–40°C.
• The membrane filtration method is better suited for lower-volume batch production at 7°–15°C. 

Both methods preserve the full flavour, aroma and mouthfeel of the original, full-strength beer, helping brewers and beverage manufacturers meet the rising demand for low- and no-alcohol alternatives without compromising on quality or flavour.

Removal of alcohol from beer using stripping

Stripping is a gentle, single-pass process that uses a soft process water vapour stream at 38°–40°C (<10 dH) in counter-current flow to remove ethanol from beer and fermented beverages. Operating at low temperature and pressure, it ensures highly efficient alcohol removal without the need for distillation, dilution, or product loss. 

Key benefits 

• Single-pass efficiency: achieves ABV targets without the need for recirculation 

• Low-temperature process: preserves flavour and aroma by avoiding boiling 

• Fast results: de-alcoholization occurs in less than a minute 

• Energy-smart: optimal reuse of heat and process water 

Learn more about the Alfa Laval De-alc dealcoholization module. 

Removal of alcohol from beer using membrane filtration 

This process uses high-performance reverse osmosis spiral membranes in a hygienic setup at low temperatures (7°–15°C or lower) to produce premium low- or non-alcoholic beer with flavour unaffected by heating. The membranes separate the feed beer or beverage into two streams: 

• Permeate steam: water and alcohol, which pass through the membranes
• Retentate stream: concentrated proteins, flavour compounds, and colour, which do not pass through the membranes and are recirculated to the feed tank 

This method is ideal for breweries and beverage producers who want to use a non-thermal, flavour-preserving solution that retains the sensory qualities of the original beverage. 

Learn more about the Alfa Laval Low-alc de-alcoholization module.