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A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids is shown in the figure. Q-15000 m³ d S = 100 mg L Xo-0 mg L Acration tank S = 15 mg L X = 3000 mg L Detention time=2h Q-5000 m³/d S = 15 mg L X-10000 mg L Sludge retum Secondary settling tank Q, QrQw = flow rates, Q-Q=14950 S = 15 mg L X-0 mg L Q = 50 m³/d S = 15 mg L X-10000 mg L So, S = readily biodegradable soluble BOD, mg/L Xo, X, X₁, X₁ = microorganism concentrations (mixed-liquor volatile suspended solids or MLVSS), mg/L The mean cell residence time (in days, up to one decimal place) is

A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids is shown in the figure. Q-15000 m³ d S = 100 mg L Xo-0 mg L Acration tank S = 15 mg L X = 3000 mg L Detention time=2h Q-5000 m³/d S = 15 mg L X-10000 mg L Sludge retum Secondary settling tank Q, QrQw = flow rates, Q-Q=14950 S = 15 mg L X-0 mg L Q = 50 m³/d S = 15 mg L X-10000 mg L So, S = readily biodegradable soluble BOD, mg/L Xo, X, X₁, X₁ = microorganism concentrations (mixed-liquor volatile suspended solids or MLVSS), mg/L The mean cell residence time (in days, up to one decimal place) is

Structural Analysis
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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A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids is shown in the figure. Q-15000 m³ d So = 100 mg L X-0 mg L 1 Acration tank S = 15 mg L X = 3000 mg L Detention time = 2h Q,- 5000 m³/d S = 15 mg L X-10000 mg L Sludge retum Secondary settling tank Q, QrQw = flow rates, Q-Q=14950 S-15 mg L X-0 mg L Q-50 m³/d S = 15 mg L X-10000 mg L So, S = readily biodegradable soluble BOD, mg/L Xo, X, X₂, X = microorganism concentrations (mixed-liquor volatile suspended solids or MLVSS), mg/L The mean cell residence time (in days, up to one decimal place) is
Transcribed Image Text:A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids is shown in the figure. Q-15000 m³ d So = 100 mg L X-0 mg L 1 Acration tank S = 15 mg L X = 3000 mg L Detention time = 2h Q,- 5000 m³/d S = 15 mg L X-10000 mg L Sludge retum Secondary settling tank Q, QrQw = flow rates, Q-Q=14950 S-15 mg L X-0 mg L Q-50 m³/d S = 15 mg L X-10000 mg L So, S = readily biodegradable soluble BOD, mg/L Xo, X, X₂, X = microorganism concentrations (mixed-liquor volatile suspended solids or MLVSS), mg/L The mean cell residence time (in days, up to one decimal place) is
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