Q1: A conventional ASP is to be used for treatment of 10,000 m³/d of municipal wastewater. The influent BOD to the ASP is 160 mg/l. As per requirements, the effluent from the ASP should have a soluble BOD of not more than 10 mg/l. Assuming: MLSS=2500 mg/l Mean cell residence time = 10 d Return sludge from SST = 8000 mg/l Yield coefficient = 0.8 kg/kg Endogenous decay rate constant = 0.06 d-¹ Determine: Question i. The volume of aeration tank ii. The mass and volume of sludge to be wasted per day iii. The recycle ratio iv. Food to microorganism ratio

Q1: A conventional ASP is to be used for treatment of 10,000 m³/d of municipal wastewater. The influent BOD to the ASP is 160 mg/l. As per requirements, the effluent from the ASP should have a soluble BOD of not more than 10 mg/l. Assuming: MLSS=2500 mg/l Mean cell residence time = 10 d Return sludge from SST = 8000 mg/l Yield coefficient = 0.8 kg/kg Endogenous decay rate constant = 0.06 d-¹ Determine: Question i. The volume of aeration tank ii. The mass and volume of sludge to be wasted per day iii. The recycle ratio iv. Food to microorganism ratio

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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