Use of a microporous membrane constructed of polyether sulfon an

Details Use of a microporous membrane constructed of polyether sulfon an Use of a microporous membrane constructed of polyether sulfon an

1988-04-25

1990-07-24

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210654, 21050041, B01D 1300

Patent

active

049433741

ABSTRACT:
The invention concerns the use of a microporous membrane constructed of polyether sulfon and a hydrophilization agent having a pore size which is within the range of between 0.1 and 1.2 microns for the filtration of beer. This membrane filter proves to be particularly suitable for the microbiological stabilization of the beer and for the separation of the turbid substances. The membrane makes it possible to remove the germs which are harmful to the beer and the harmful turbid substances and to simultaneously filter the beer with a high throughput and therefore economically and with low costs.

REFERENCES:
patent: 4481260 (1984-11-01), Hohml
patent: 4612196 (1986-09-01), Goldstein et al.
patent: 4720343 (1988-01-01), Walch et al.
Menahem A. Kruas et al., "A New Sterilizing Microfiltration Membrane," Apr. 27, 1987.
J. Burose, Brauindustrie, No. 7, 828-831 (Jul., 1987).
G. Muller, Brauwelt, 18, No. 4, 138-141 (1985).
A. Reiter, Brauwelt, 18, No. 46, 2368-2373, (1985).

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