A small industrial plant discharges wastewater into a stream. The plant discharge has a flow rate of 0.2 m3/s and a BODu concentration of 40 mg/L. The stream receiving the discharge has a flow rate of 1.3 m3/s and a BODu of 6 mg/L. Downstream of the discharge point, the velocity in the stream is 0.15 m/s. Assuming no other sources of BOD enter the stream, what is the BODu remaining in the stream 10 km downstream of the plant discharge? Use k = 0.23 day-1.

Plant Discharge flow rate = 0.2 m3/s BODu= 40mg/L Steam discharge flow rate = 1.3 m3/s BODu= 6mg/L…

Answered: A small industrial plant discharges…

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 small industrial plant discharges wastewater into a stream. The plant discharge has a flow rate of 0.2 m³/s and a BOD_u concentration of 40 mg/L. The stream receiving the discharge has a flow rate of 1.3 m³/s and a BOD_u of 6 mg/L. Downstream of the discharge point, the velocity in the stream is 0.15 m/s. Assuming no other sources of BOD enter the stream, what is the BOD_u remaining in the stream 10 km downstream of the plant discharge? Use k = 0.23 day^-1.

Expert Solution

Step 1 Given data

Plant Discharge flow rate = 0.2 m³/s

BOD_u= 40mg/L

Steam discharge flow rate = 1.3 m³/s

BOD_u= 6mg/L

velocity=0.15 m/s

k= 0.23 day^-1

BOD_uremaining in 10 down stream

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