Problem 7. (12 pts) A waste stream with a flow of 5 m/s containing a BODs of 3.5 mg/L is discharged to a local river wit

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Problem 7. (12 pts) A waste stream with a flow of 5 m/s containing a BODs of 3.5 mg/L is discharged to a local river wit

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Problem 7 12 Pts A Waste Stream With A Flow Of 5 M S Containing A Bods Of 3 5 Mg L Is Discharged To A Local River Wit 1
Problem 7 12 Pts A Waste Stream With A Flow Of 5 M S Containing A Bods Of 3 5 Mg L Is Discharged To A Local River Wit 1 (15.05 KiB) Viewed 17 times
Problem 7. (12 pts) A waste stream with a flow of 5 m/s containing a BODs of 3.5 mg/L is discharged to a local river with a flow of 8.5 m/s and upstream BOD, of 2.5 mg/L. Calculate the BOD, you would expect in a sample of stream water collected 12 km downstream of the discharge if the mixed flow velocity is 0.1 m/s. Assume that the BOD test rate constant is 0.218 and BOD decay constant is 0.6/d for the mixed flows.
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