FIELD: mass exchange processes. SUBSTANCE: mass exchange between two immiscible phases by the aid of polymer porous membranes and polymer porous filler located between the two membranes consists in the following. The first phase is passed through filler and the second one, cross-like, through filler and membranes, pressure in the first phase exceeding that in the second phase all over the mass-exchange space. As the first phase, a liquid not drenching filler and membranes is used, and as the second phase, gas or a drenching liquid, or likewise, respectively, gas and drenching liquid may be used. Process is carried out so that pressure difference between exchanging phases were larger than minimum capillary pressure in filler pores but lower than the same quantity in membrane pores. EFFECT: enhanced mass exchange process. 2 dwg, 5 tbl
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