overall plate efficiency
overall plate efficiency
[¦ō·vər¦ȯl ′plāt i‚fish·ən·sē] (chemical engineering)
For a specified liquid-mixture separation in a fractionation (or distillation) tower, the ratio of actual to theoretical plates (or trays) required.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.