Question: Design a circular primary sedimentation basin for a town with a population of 45000 people. Assume the wastewater flow is 400L/ person/d. 1) Design the
Design a circular primary sedimentation basin for a town with a population of 45000 people. Assume the wastewater flow is 400L/ person/d. 1) Design the tank for a nominal detention time of 2hrs at an average overflow rate of 36m3/m2/d 2) Determine the tank depth and diameter given the tanks can be constructed in diameter increments of 1m and depth increments of 0.5m. 3) Repeat the design considering 2 tanks. 4) Prepare a summary table reporting the weir loading as m3/m2/d, and the % deviation from the nominal detention time and overflow rate for each case. 5) Comment on how the basin design may be modified to accommodate sludge thickening in addition to particulate removal
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