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).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
EASY-TO-INSTALL RACEWAY SYSTEM is suitable for both communications and electrical cabling runs simultaneously, with a barrier separation between the two.