Procedure and device for filtration of fluids using MF modules

Details Procedure and device for filtration of fluids using MF modules Procedure and device for filtration of fluids using MF modules

1999-02-23

2000-10-31

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

210 90, 210 962, 210106, 21032169, 210636, 210 93, 426495, B01D 6122

Patent

active

061397245

ABSTRACT:
A process is described for filtration of fluids, particularly of heterodisperse fluids like beer, in which a cleaning cycle of the MF modules is always carried out when the transmembrane pressure exceeds a pre-set pressure which has been selected to be equal to the optimal trans-membrane pressure for the particular fluid to be filtered as regards its analytical appearance. In beer filtration this value is preferably set at 1.5 bar. The microfiltration facility is equipped with numerous MF modules 5, arrayed in series and parallel; with a device for cleansing the MF modules 5; and with a measuring device 3 for recording trans-membrane pressure, attached to a control device 7, which, upon attaining the pre-set trans-membrane pressure, interrupts the filtration process and starts a cleansing cycle going.

REFERENCES:
patent: 4724080 (1988-02-01), Dau
patent: 4844932 (1989-07-01), Daoud
patent: 5066402 (1991-11-01), Anselm et al.
More than Two Years of Practical Experience with Tangential Flow Filtration for Beer Recovery from Spent Yeast, Wolfgang Muller, MBAA Quarterly, vol. 29, pp. 42-47, 1992.

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