AEROBIC FERMENTATION APPARATUS DESIGN FACTORS
ARMY BIOLOGICAL LABS FREDERICK MD
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The report examines the process of transferring oxygen from the gaseous to the liquid phase in the light of the theory of absorption with reaction in the aerobic fermentations used to produce microorganisms and their metabolites. The variables characteristic of the process which need to be known in designing the apparatus are analyzed on the basis of these considerations. The method of making design calculations for a standard fermentation apparatus is described. This method tends to arrive at a type of apparatus having minimum cost of construction and operating at maximum efficiency in achieving the oxygen transfer. An apparatus is also described which serves the same purpose but is built differently, that is, on the basis of the principles and methods used for absorption columns for dissolving gases in liquids. This apparatus is compared with the former from the standpoints of cost of the original equipment and efficiency of operation.
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