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H.W: An activated sludge process operates under the following data: Q=0.21 m³/s, S.- 250 mg/l, S-6.2 mg/l, MLVSS (X) = 3500 mg/1, 0= 10 days Return sludge concentration (X)= 10000 mg/l, Y=0.5, K₁ =0.06 d', volatile super solid represent 80% of SS, Find: 1- Treatment efficiency 2- Reactor volume 3- Qwa (sludge wasted from areation tank) 4- Qur (sludge wasted from recirculation tank) 5- Quantity of sludge wasted/day 6- Recirculated ratio V.X VX Qwa Qwr= Qwr-Xr 0X

H.W: An activated sludge process operates under the following data: Q=0.21 m³/s, S.- 250 mg/l, S-6.2 mg/l, MLVSS (X) = 3500 mg/1, 0= 10 days Return sludge concentration (X)= 10000 mg/l, Y=0.5, K₁ =0.06 d', volatile super solid represent 80% of SS, Find: 1- Treatment efficiency 2- Reactor volume 3- Qwa (sludge wasted from areation tank) 4- Qur (sludge wasted from recirculation tank) 5- Quantity of sludge wasted/day 6- Recirculated ratio V.X VX Qwa Qwr= Qwr-Xr 0X

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.8P
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H.W: An activated sludge process operates under the following data: Q=0.21 m³/s, S.- 250 mg/l, S-6.2 mg/l, MLVSS (X) = 3500 mg/1, 0= 10 days Return sludge concentration (X)= 10000 mg/l, Y=0.5, K₁ =0.06 d', volatile super solid represent 80% of SS, Find: 1- Treatment efficiency 2- Reactor volume 3- Qwa (sludge wasted from areation tank) 4- Qur (sludge wasted from recirculation tank) 5- Quantity of sludge wasted/day 6- Recirculated ratio V.X VX Qwa Qwr= Qwr-Xr 0X
Transcribed Image Text:H.W: An activated sludge process operates under the following data: Q=0.21 m³/s, S.- 250 mg/l, S-6.2 mg/l, MLVSS (X) = 3500 mg/1, 0= 10 days Return sludge concentration (X)= 10000 mg/l, Y=0.5, K₁ =0.06 d', volatile super solid represent 80% of SS, Find: 1- Treatment efficiency 2- Reactor volume 3- Qwa (sludge wasted from areation tank) 4- Qur (sludge wasted from recirculation tank) 5- Quantity of sludge wasted/day 6- Recirculated ratio V.X VX Qwa Qwr= Qwr-Xr 0X
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