Separating membrane and separation method

Details Separating membrane and separation method Separating membrane and separation method

1990-07-20

1991-07-16

Sever, Frank

Liquid purification or separation

Processes

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

210654, 21050037, B01D 6114, B01D 6124

Patent

active

050322818

ABSTRACT:
A separating membrane having a porous membrane structure with a pore size distribution such that the membrane does not permeate 90 percent or more of particles having a size of 0.5 micron when the membrane is 0.1 mm thick. The membrane is composed of a material having a nitrogen-containing compound and is liquid-permeable to adsorb and retain phosphopolyols contained in a liquid.

REFERENCES:
patent: 4261834 (1981-04-01), de Winter

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