Characteristics in Crossflow Filtration Using Different Yeast Suspensions
Authors:
- 1 July 1997
- journal article
- research article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 32 (11) , 1885-1898
Abstract
Characteristics of crossflow filtration of cell types were compared. Although the cell sizes were similar for the six yeast cells, the specific resistance of the cake measured in dead-end filtration and permeation flux were different. The flux decreased with increasing specific resistance. However, the dependencies of the steady-state flux on the shear stress were similar for all the yeast cells. The steady-state permeation flux of the yeast cell suspensions was correlated with the shear stress to the 0.6–0.9th power and with the cell concentration to the –0.3rd power regardless of the transmembrane pressure. The permeation flux in the unsteady state was well simulated by the correlation for the lift velocity of the cells obtained from the steady-state flux.Keywords
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