A wastewater treatment facility needs to install a sedimentation tank as part of their operations. There are two optio
Posted: Wed May 18, 2022 3:49 pm
A wastewater treatment facility needs to install a sedimentation tank as part of their operations. There are two
options for the design of the tank, namely a circular tank with a diameter of 5m or a rectangular tank with a square
area, with a length of 5m.
a) Determine the cost needed for each case given that the water supply is 1,500 m3/d of which 25% is lost to
evaporation before entering the tank, and the detention time is 2 hours.
b) Discuss the advantages and/or disadvantages of the different shapes of the sedimentation tanks focusing on
construction and maintenance.
Cost vs, height of sedimentation tank oc 6 5 Height of sedimentation tank (m) 2 1 0 20000 40000 60000 100000 120000 140000 160000 80000 Cost (USD)
options for the design of the tank, namely a circular tank with a diameter of 5m or a rectangular tank with a square
area, with a length of 5m.
a) Determine the cost needed for each case given that the water supply is 1,500 m3/d of which 25% is lost to
evaporation before entering the tank, and the detention time is 2 hours.
b) Discuss the advantages and/or disadvantages of the different shapes of the sedimentation tanks focusing on
construction and maintenance.
Cost vs, height of sedimentation tank oc 6 5 Height of sedimentation tank (m) 2 1 0 20000 40000 60000 100000 120000 140000 160000 80000 Cost (USD)