polysulfide treating

polysulfide treating

[¦päl·i′səl‚fīd ′trēd·iŋ]
(chemical engineering)
A petroleum-refinery process used to remove elemental sulfur from refinery liquids by contacting them with a nonregenerable solution of sodium polysulfide.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.