Mfg. beer wort by mashing malted barley flour. - the mash being precooked and centrifuged before pressure filtration

摘要

Mash made up from malt flour and water, which may have additions of unmalted cooked grain, is precooked in a heating chamber with centrifugal, whirlpool separator. The solids fraction from the separator is further drained in a horizontal, bag type hydraulic filter press (Nordon Hyperpress). The filtrate from the separator is cooled before fermentation. The precooked pref. takes place for about 20 minutes at a temp. between 120 degrees and 150 degrees C. Filtrate from the press is pref. added to separator filtrate before cooling and fermentation. Alternatively the press filtrate can be added back to the mash before precooking. The malt flour is pref. produced by grinding husked malt to a particle size below 1 mm dia. Used in mfr. of beer wort for prodn. of beer.