a liquid lying above a sediment (floating on the surface) of a liquid; floating on the surface above a sediment or precipitate; "the supernatant fat was skimmed off
The soluble liquid &action of a sample after centrifugation or precipitation of insoluble solids
The liquid layer that is drawn off the top of the basin after settling It should be relatively clear and free of solids AKA decant
Liquid removed from settled sludge Supernatant commonly refers to the liquid between the sludge on the bottom and the water surface of a basin or container