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a flow rate of 8.7 m3/s an ous mixing, estimate the c

a flow rate of 8.7 m3/s an ous mixing, estimate the c

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 waste water has a dissolved oxygen concentration of 2 mg/1 and a discharge rate of 1.1 m/s. The river that is receiving this water has dissolved oxygen equal to 8.3 mg/1, a flow rate of 8.7 m³/s and is at a temperature of 20°C. Assuming instantaneous mixing, estimate the critical initial oxygen deficit of mixture of waste water and river water (in mg/l) just downstream from the discharge point. Saturation dissolved oxygen at 20°C is 9.2 mg/1.
Transcribed Image Text:A waste water has a dissolved oxygen concentration of 2 mg/1 and a discharge rate of 1.1 m/s. The river that is receiving this water has dissolved oxygen equal to 8.3 mg/1, a flow rate of 8.7 m³/s and is at a temperature of 20°C. Assuming instantaneous mixing, estimate the critical initial oxygen deficit of mixture of waste water and river water (in mg/l) just downstream from the discharge point. Saturation dissolved oxygen at 20°C is 9.2 mg/1.
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