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Micro-organism ratio:
Determine the F/M ratio (in units of lbs BOD5/lb MLSS-day) using data provided in the above example problem.
Solution
By definition,
F/M = Q So/X V = [33.75 × 106 l/day × 310 mg/l)/[4,300 mgSS/l × 5,000,000 l] = 0.49 kg BOD5/kg MLSS-day
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