An assembly of two parallel arrays of Chains driven by
Sprockets with a Gear Reduced Motor as the prime mover.
 

The Chains carry a battery of wiper arms which rollover the sprockets and ensure skimming of the top layer of floating contaminants and disposed to a collection chamber to drain.

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Continuous removal of floating contaminants reduces TSS,BOD & COD load on the effluent treatment plant significantly andreduces the upstream cost of treatment.