supernatant liquor


Also found in: Acronyms.

supernatant liquor

[¦sü·pər′nāt·ənt ′lik·ər]
(engineering)
The liquid above settled solids, as in a gravity separator.
References in periodicals archive ?
The Imhoff tank, an early design that combined clarification and digestion in one structure, lead a number of manufacturers to utilize this concept in equipment design, but avoiding the objectionable features of the intimate contact between clarified wastewater, supernatant liquor, and sludge.