cold lime-soda process

cold lime-soda process

[′kōld ¦līm ¦sō·də ‚präs·əs]
(chemical engineering)
A water-softening process in which water is treated with hydrated lime (sometimes in combination with soda ash), which reacts with dissolved calcium and magnesium compounds to form precipitates that can be removed as sludge.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.