A wastewater treatment plant discharges of effluent into a stream. Just upstream from the discharge point, the stream has an ultimate BOD of 5 mg/L.Assuming a cross-sectional area for the stream equal to 100 m2, what ultimate BOD (in mg/L) would you expect to find at a point of 15,000 m downstream?Wastewater Flow: 1 m3/secBOD (ultimate): 40 mg/LRiver Flow: 10 m3/secDeoxygeneation constant kd: 0.22 day-1

The discharge of wastewater is Qw=1 m3/s. The discharge of the river is Qr=10 m3/s. The BOD of…

Answered: A wastewater treatment plant discharges…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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Problem 1P

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A wastewater treatment plant discharges of effluent into a stream. Just upstream from the discharge point, the stream has an ultimate BOD of 5 mg/L.
Assuming a cross-sectional area for the stream equal to 100 m², what ultimate BOD (in mg/L) would you expect to find at a point of 15,000 m downstream?

Wastewater Flow: 1 m³/sec
BOD (ultimate): 40 mg/L
River Flow: 10 m³/sec
Deoxygeneation constant k_d: 0.22 day^-1

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