Question: 1 8 A primary clarifier is 6 5 ft in diameter and receives a peak flow of 1 . 2 mgd containing 2 3 0

18 A primary clarifier is 65 ft in diameter and receives a
peak flow of 1.2 mgd containing 230mg1 TSS.
Calculate the overflow rate, and based on the infor-
mation in the text, estimate the percentage of TSS
removal and effluent TSS concentration. If ferric and
polymer are added to improve primary removal,
what is the estimated removal and effluent TSS
concentration.
1 8 A primary clarifier is 6 5 ft in diameter and

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