What does primary treatment of sewage involve | vedclass

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(A) Primary treatment of sewage involves physical removal of particles (large and small) from the sewage through filtration and sedimentation.$1$. Fil

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Filtration and sedimentation

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(A) Primary treatment of sewage involves physical removal of particles (large and small) from the sewage through filtration and sedimentation.$1$. Filtration: Floating debris is removed by sequential filtration.$2$. Sedimentation: Grit (soil and small pebbles) is removed by sedimentation.All solids that settle form the primary sludge,and the supernatant forms the effluent.

What does primary treatment of sewage involve?

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