Problem 3: You are considering three design alternatives for treating a pollutant in wastewater using a first- order process (k = 1.5 min-¹). The flow is 9 million gallons per day (mgd). The three alternatives, each of which has a total volume of 10,000 gallons, are: (1) one 10,000 gallon well-mixed basin; (2) two 5,000 gallon well- mixed basins in series (see sketch below); and (3) one 10,000 gallon pipe. Calculate the percent removal of the pollutant for each alternative at steady state. Which system gives the best removal? Two tanks in series
Problem 3: You are considering three design alternatives for treating a pollutant in wastewater using a first- order process (k = 1.5 min-¹). The flow is 9 million gallons per day (mgd). The three alternatives, each of which has a total volume of 10,000 gallons, are: (1) one 10,000 gallon well-mixed basin; (2) two 5,000 gallon well- mixed basins in series (see sketch below); and (3) one 10,000 gallon pipe. Calculate the percent removal of the pollutant for each alternative at steady state. Which system gives the best removal? Two tanks in series
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Problem 3: You are considering three design alternatives for treating a pollutant in wastewater using a first-
order process (k = 1.5 min¯¹). The flow is 9 million gallons per day (mgd). The three alternatives, each of which
has a total volume of 10,000 gallons, are: (1) one 10,000 gallon well-mixed basin; (2) two 5,000 gallon well-
mixed basins in series (see sketch below); and (3) one 10,000 gallon pipe. Calculate the percent removal of the
pollutant for each alternative at steady state. Which system gives the best removal?
Two tanks in series](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98a85d3f-1221-4cd9-b5c2-c225eed9a46f%2F5902439f-f3f1-4a6d-9843-b2e7636132ba%2F55fdbtl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 3: You are considering three design alternatives for treating a pollutant in wastewater using a first-
order process (k = 1.5 min¯¹). The flow is 9 million gallons per day (mgd). The three alternatives, each of which
has a total volume of 10,000 gallons, are: (1) one 10,000 gallon well-mixed basin; (2) two 5,000 gallon well-
mixed basins in series (see sketch below); and (3) one 10,000 gallon pipe. Calculate the percent removal of the
pollutant for each alternative at steady state. Which system gives the best removal?
Two tanks in series
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