D00 m3 tank at a rate of 0.4 m/s. nlorine. The treatment unit uses a ill cause the chlorine concentratio uch a way that it is depleted at ar
D00 m3 tank at a rate of 0.4 m/s. nlorine. The treatment unit uses a ill cause the chlorine concentratio uch a way that it is depleted at ar
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
7
![A rapidly mixed tank consists of a treatment unit used to disinfect a solution. The solution enters the
2000 m tank at a rate of 0.4 m/s. The pollutant contains 7.94 CFU per liter and has no 0 mg/l of
chlorine. The treatment unit uses a stock solution containing 750 mg/L which is released a rate that
will cause the chlorine concentration in the tank to be 2 mg/L. The chlorine reacts with the water in
such a way that it is depleted at a rate (in mg/L-h) given by Tai = (-0.45 /h) Ci.
When exposed to chlorine, the bacteria die off at a rate (in cells/L-s) given by:
0.03
Tbace =
Img
Chact
L.
a) Calculate the required flow rate in L/s of the stock solution when the system is operating at
steady state, including a schemätic of the system
b) Determine the bacterial concentration (in CFU/L) thar should be expected in the effluent from
the tank?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F59317a3c-04dc-4faa-a31a-0bf1f46fab03%2F719d885a-1354-4021-a652-2220a4311834%2F8kimh8s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A rapidly mixed tank consists of a treatment unit used to disinfect a solution. The solution enters the
2000 m tank at a rate of 0.4 m/s. The pollutant contains 7.94 CFU per liter and has no 0 mg/l of
chlorine. The treatment unit uses a stock solution containing 750 mg/L which is released a rate that
will cause the chlorine concentration in the tank to be 2 mg/L. The chlorine reacts with the water in
such a way that it is depleted at a rate (in mg/L-h) given by Tai = (-0.45 /h) Ci.
When exposed to chlorine, the bacteria die off at a rate (in cells/L-s) given by:
0.03
Tbace =
Img
Chact
L.
a) Calculate the required flow rate in L/s of the stock solution when the system is operating at
steady state, including a schemätic of the system
b) Determine the bacterial concentration (in CFU/L) thar should be expected in the effluent from
the tank?
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