Scum

Scum is the general name given to the floating layer of dirt or froth on the surface of a liquid. It is also used to describe the layer of solids formed by wastewater constituents that float to the surface of a tank or reactor (e.g., oil and grease).

Scum

Scum is the general name given to the floating layer of dirt or froth on the surface of a liquid. It is also used to describe the layer of solids formed by wastewater constituents that float to the surface of a tank or reactor (e.g., oil and grease).

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