What will be the dissolved oxygen concentration

Reference no: EM13945599

A wastewater treatment plant disposes of its effluent in a surface stream. Characteristics of the stream and effluent are given in the table below.

What will be the dissolved oxygen concentration in the stream after 2.0 days?

What will be the lowest dissolved oxygen concentration as a result of the waste discharge?

Parameter	Wastewater	Stream
Flow, m³/s	0.2	5
Dissolved Oxygen, mg/L	1	8
Temperature, ^oC	15	20.2
BOD₅ at 20oC, mg/L	100	2
k₁ at 20^oC, d^-1	0.2	-
K₂ at 20^oC, d^-1	-	0.3

Reference no: EM13945599

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