3. A lake with constant volume 10*106 m³ is fed by a pollution-free stream with flow rate 50 m³/s. A factory dumps 5 m³/s of a non-conservative waste with concentration 100 mg/L into the lake. The pollution has a reaction rate constant (k) if 0.25 /day. Assuming the pollutant is perfectly mixed in the lake, find the steady-state concentration of pollutant (C in mg/L) in the lake. Make appropriate assumptions and write mass (rate) balance to solve the problem. Note: Stream (C₁, Qs); Factory waste (Cw, Qw); Mixed Flow (Cm, Qm); C
3. A lake with constant volume 10*106 m³ is fed by a pollution-free stream with flow rate 50 m³/s. A factory dumps 5 m³/s of a non-conservative waste with concentration 100 mg/L into the lake. The pollution has a reaction rate constant (k) if 0.25 /day. Assuming the pollutant is perfectly mixed in the lake, find the steady-state concentration of pollutant (C in mg/L) in the lake. Make appropriate assumptions and write mass (rate) balance to solve the problem. Note: Stream (C₁, Qs); Factory waste (Cw, Qw); Mixed Flow (Cm, Qm); C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![3. A lake with constant volume 10*106 m³ is fed by a pollution-free stream with flow rate 50 m³/s.
A factory dumps 5 m³/s of a non-conservative waste with concentration 100 mg/L into the lake.
The pollution has a reaction rate constant (k) if 0.25 /day. Assuming the pollutant is perfectly
mixed in the lake, find the steady-state concentration of pollutant (C in mg/L) in the lake. Make
appropriate assumptions and write mass (rate) balance to solve the problem.
Note: Stream (Cs, Qs); Factory waste (Cw, Qw); Mixed Flow (Cm, Qm); C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F96185938-e49e-448a-911c-2f59949ef5b7%2F844ec0eb-5f59-4b7a-8651-6837ebda4342%2Fsgzpl7_processed.png&w=3840&q=75)
Transcribed Image Text:3. A lake with constant volume 10*106 m³ is fed by a pollution-free stream with flow rate 50 m³/s.
A factory dumps 5 m³/s of a non-conservative waste with concentration 100 mg/L into the lake.
The pollution has a reaction rate constant (k) if 0.25 /day. Assuming the pollutant is perfectly
mixed in the lake, find the steady-state concentration of pollutant (C in mg/L) in the lake. Make
appropriate assumptions and write mass (rate) balance to solve the problem.
Note: Stream (Cs, Qs); Factory waste (Cw, Qw); Mixed Flow (Cm, Qm); C
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