Importance

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Abstract

Continuous pressure boiling of beer wort is carried out in a multistage column having an upright inner wall enclosing a head region near the top of the column, a sump region near the bottom of the column and a wort compartment between the head and sump regions. The wort compartment includes a plurality of superposed, substantially horizontal plates. Each plate is provided with an overflow weir on its upper surface with an opening between the overflow weir and the wall of the column. Regenerative preheated wort is charged onto an upper plate and flows downward from one plate to another over the overflow weirs and through the openings. A heated gaseous medium introduced into the sump region raises through the openings and heats the downward flowing wort to boiling temperature to degas and free the wort from undesirable foreign substances. Vapors from the wort are condensed in the head region and discharged, and the processed wort is discharged from the sump region.

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First Claim