Todt, J.Luecke, J.Schuegerl, K.Renken, A.2006-04-182006-04-182006-04-18197710.1016/0009-2509(77)85003-3https://infoscience.epfl.ch/handle/20.500.14299/229312Gas holdup and liq. phase longitudinal dispersion were detd. in concurrent 1- and 6-stage, 2-phase bubble columns, and in countercurrent 1-stage, 2- and 3-phase bubble columns, using the longitudinal dispersion and backflow cell models to describe the intensity of longitudinal mixing. The axial dispersion model in conjuction with Monod growth kinetics were used to examine the influence of fluid mixing on the performance of a microbial process. [on SciFinder (R)]Bubbling (gas hold up and longitudinal dispersion in liq. in); Fermentation; Peclet number (in bubble column); Mixing (axialin liq. in bubbling)multiphase reactor gas holdup; dispersion longitudinal multiphase reactor; fermentor design dispersion modeltext::journal::journal article::research article