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SEAA2922 WASTEWATER ENGINEERING Assignment 1 Aerated lagoon design Q1. Solve question No.39 in the tutorial section Q2.
Posted: Sun Jul 10, 2022 11:46 am
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- Seaa2922 Wastewater Engineering Assignment 1 Aerated Lagoon Design Q1 Solve Question No 39 In The Tutorial Section Q2 1 (40.36 KiB) Viewed 41 times
- Seaa2922 Wastewater Engineering Assignment 1 Aerated Lagoon Design Q1 Solve Question No 39 In The Tutorial Section Q2 2 (40.36 KiB) Viewed 41 times
SEAA2922 WASTEWATER ENGINEERING Assignment 1 Aerated lagoon design Q1. Solve
question No.39 in the tutorial section Q2. A sewage treatment plant consisting of an aerated lagoon and a maturation pond is designed to operate in a cold country that has a maximum temperature of 18°C. The plant is designed under the following conditions: Population equivalent (PE) = Influent BOD Surface area Depth Y b K at 20°C K₁ at 20°C 25,000 220 mg/L 4500 m² 3 m 0.65 0.07 5 per day 0.3 per day Calculate the efficiency of BOD removal in this system (Assume 65% of the solids settled in the maturation pond)