Scraper apparatus for settling basins and the like

Scraper Bar Arrangement

Scum removal apparatus

Scum removal apparatus

Scum skimming system for circular sedimentation and thickening t

Scum sweeper for surface floating matters in a clarifying tank

Scum treating apparatus

Sealed sedimentation device

Sediment raking device

Sedimentation apparatus having an improved skimming mechanism

Sedimentation removal assembly for flow-through sedimentary...

Sedimentation tank having a rotary rake structure

Sedimentation tank with raking structure

Sedimentation tank with rotary yieldable rake arm structure

Self-cleaning mud pit

Settled solids removal mechanism

Settling tank sludge collector

Sewage collector flight

Skimmer for square settling tanks

Skimmer mechanism for rectangular basin chain and flight