hay section

hay section

[′hā ‚sek·shən]
(petroleum engineering)
A compartment in a heater or a heater-treater which is filled with fibrous material for filtering oil-and-water emulsions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It is believed the fire started in the hay section of the barn and spread through to the storage area containing the motorbike, boat and tools.