barrier separation

barrier separation

[′bar·ē·ər sep·ə′rā·shən]
(chemical engineering)
The separation of a two-component gaseous mixture by selective diffusion of one component through a separative barrier (microporous metal or nonporous polymeric).
References in periodicals archive ?
The current alternative has different access designs and locations, no longer includes a barrier separation and includes auxiliary lanes in select locations.
EASY-TO-INSTALL RACEWAY SYSTEM is suitable for both communications and electrical cabling runs simultaneously, with a barrier separation between the two.
There will be no barrier separation between the shoulder lane and the regular Beltway lanes, ensuring easy access for travelers.