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The data of an activated sludge process are B. as follows: MLSS = 5000 mg/lit %3D Flow = 0.15 m3/sec %3D SS of inflow = 400 mg/lit %3D Solids settled after 30 min = 25% Volume of Aeration Tank = 3000m3 %3D Sludge Wastage Rate = 120 m3/day with VSS of 15000 mg/lit. Calculate Sludge Volume Index (SVI), Sludge Density Index (SDI), Return Sludge Ratio (Qp/Q.) and Mean cell residence time (0).

The data of an activated sludge process are B. as follows: MLSS = 5000 mg/lit %3D Flow = 0.15 m3/sec %3D SS of inflow = 400 mg/lit %3D Solids settled after 30 min = 25% Volume of Aeration Tank = 3000m3 %3D Sludge Wastage Rate = 120 m3/day with VSS of 15000 mg/lit. Calculate Sludge Volume Index (SVI), Sludge Density Index (SDI), Return Sludge Ratio (Qp/Q.) and Mean cell residence time (0).

Principles of Geotechnical Engineering (MindTap Course List)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter2: Origin Of Soil And Grain Size
Section: Chapter Questions
Problem 2.14P: A hydrometer test has the following result: Gs = 2.65, temperature of water = 26 C, and L = 10.4 cm...
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The data of an activated sludge process are 3. as follows: MLSS = 5000 mg/lit %3D Flow = 0.15 m3/sec SS of inflow = 400 mg/lit Solids settled after 30 min = 25% %3D Volume of Aeration Tank = 3000m3 %3D Sludge Wastage Rate = 120 m³/day with VSS of 15000 mg/lit. %3D Calculate Sludge Volume Index (SVI), Sludge Density Index (SDI), Return Sludge Ratio (Qp/Q,) and Mean cell residence time (0,).
Transcribed Image Text:The data of an activated sludge process are 3. as follows: MLSS = 5000 mg/lit %3D Flow = 0.15 m3/sec SS of inflow = 400 mg/lit Solids settled after 30 min = 25% %3D Volume of Aeration Tank = 3000m3 %3D Sludge Wastage Rate = 120 m³/day with VSS of 15000 mg/lit. %3D Calculate Sludge Volume Index (SVI), Sludge Density Index (SDI), Return Sludge Ratio (Qp/Q,) and Mean cell residence time (0,).
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