fermentation in beer brewing

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Presentation transcript:

fermentation in beer brewing Seminar presentation Nikolas tolvanen CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen

Beer brewing Water Starch source (malted barley) Yeast Seasoning (hops) Figure: http://blog.seattlepi.com/fremontoktoberfest/files/2012/09/beer-ingredients.jpg CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen

Fermentation Sugars in the Wort + yeast = ethanol + flavours about the kinetics of beer fermentation: Gee, Douglas A., and W. Fred Ramirez. "A flavour model for beer fermentation." Journal of the Institute of Brewing 100.5 (1994): 321-329. CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen

Fluid flow in the fermenter 1 Natural convection How to improve mixing? CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen

Fluid flow in the fermenter 2 A plate inside the tank Mixing changes drastically CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen

Thank you! Questions? CHEM-E7160 Fluid Flow in Process Units Seminar Work, Nikolas Tolvanen