Water and Wastewater Terms Beginning H

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

hydrated lime

Limestone that has been burned and treated with water under controlled conditions until the calcium oxide portion has been converted to calcium hydroxide (Ca(OH)₂). Hydrated lime is quicklime combined with water. (CaO + H₂O → Ca(OH)₂). Also called slaked lime. Also see quicklime.