Today in 1997, US Patent 5648246 A was issued, an invention of Christiaan Willem Versteegh, assigned to Heineken Technical Services B.V., for his “Process For The Continuous Preparation Of Wort.” Here’s the Abstract:
This invention relates to a process for the continuous preparation of wort, including the continuous enzymatic conversion of malt in one rotating disc contactor and separation of spent grain from mash in a separation unit. Further, a process for the continuous preparation of wort, including the continuous gelatinization and enzymatic liquefaction of a mixture based on unmalted grain, malt and/or an enzyme source and water in a rotating disc contactor, addition of malt and/or enzyme source to the product obtained, enzymatic conversion of the product obtained and separation of the spent grain from the mash in a separation unit.
