Process and apparatus for reduction of alcohol by dialysis in fermented beverages
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United States of America Patent
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-
Apr 8, 1986
Issued Date -
N/A
app pub date -
Apr 2, 1984
filing date -
Jun 15, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fermented beverages of a reduced alcohol contents are made by causing the fermented beverage having a normal alcohol contents as produced in the fermentation to flow along one face of a dialysis membrane at a pressure differential below 5.0 bar while simultaneously a dialysate liquid which is substantially alcohol-free is passed along the other face of the dialysate membrane. An apparatus for carrying out the process comprises a housing in which two separate chambers are provided. Each chamber has separate inlet and outlet ducts. The inlet ducts are connected to separate feeding devices for liquids. Separate regulating devices are arranged for regulating the flow through each of said two chambers and means are provided for regulating the pressure differential between the two chambers.
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