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What is scum? How is it removed during effluent treatment?

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:

During primary treatment of effluents, oil, grease, soaps, plastics and other lighter solids float over the surface. The light floatable waste that rises to the top is called scum. The scum is removed with a skimmer.

Answered by Expert 4th June 2014, 3:23 PM
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