Crossflow filtration of baker's yeast with periodical stopping of permeation flow and bubbling

Abstract

The periodical stopping of permeation flow was applied to increase the permeation flux in crossflow filtration of commercially available baker's yeast cell suspension. The permeation flux after 3 h filtration in the crossflow filtration increased to 8 x 10(-5) m(3) /m(2) s (290 L/m(2) h) from 2 x 10(-5) m(3)/m(2) s (72 L/m(2) h) by applying the periodical stopping of permeation. Introduction of air bubbles during the stopping period of permeation further increased the flux.(c) John Wiley & Sons, Inc.

Filtration of lager beer with microsieves: flux, permeate haze and in-line microscope observations

“…The method only works if the permeate flow is temporarily stopped, so that the flocks are not pushed onto the membrane by the transmembrane pressure. Periodic stopping of the permeate flow in combination with air bubbling was earlier described by Tanaka et al [15]. Using this method they found a significant increase in flux for a suspension of baker's yeast.…”

Methods Employed for Control of Fouling in MF and UF Membranes: A Comprehensive Review

“…Another study (207) focused on gas bubbling membrane cleaning during MF, using a flat sheet membrane module. Here, flux was applied intermittently and air bubbles were introduced in the zero flux periods.…”

Flux flow and cleaning enhancement in a spiral membrane element, using continuous infrasonic backpulsing

“…There are a number of non-chemical membrane cleaning techniques available, including back-flushing, cross-flushing and back-shocking (Redkar and Davies, 1995;Wenten, 1995;Parnham and Davis, 1996;Kuberkar et al, 1998;Redkar et al, 1996;Tanaka et al, 1995;Kuruzovich and Piergiovanni , 1996). In most previous work using these techniques, the flushing pulses have been applied to the feed space.…”