in red ! I have the solution but explain how we get
those number ! only the once highlighted in red !
- Please Can You Explain How We Get Those Number That Highlighted In Red I Have The Solution But Explain How We Get Tho 1 (29.07 KiB) Viewed 33 times
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1. You are hired to evaluate a waste stabilization pond for the city of Jackrabbit Four ponds are currently used with two parallel trains of 2 (2 primary ponds followed by 2 secondary ponds) The influent characteristics are as follows: Q = 0.35 MGD BODs-in = 220 mg/L (no clarifiers) The primary ponds are each 500' by 1000' and operate at depths from a minimum of 2 feet to a maximum of 5 feet The secondary ponds (2) are each 600' by 1300' and operate from 2 to 6 feet in depth Both ponds have 4:1 side slopes and the dimensions given above are the top areas. What is the organic load on the primary ponds (lb BOD3/Ac/day)? b. What is the organic load on the pond system (lb BOD3/Ac/day)? What is the detention time of this pond system (days) - Remember that you can not count the volume required for the two foot minimum depth? d. What percent of the total area of the ponds is used by the primary ponds? a. c.
Pond Loading: Pond Design SQ8.34 Loading AP fAT-T T-Tw= Q w A Pond Temp.: = Temp: K, =k, 1.077,- . Cell Volume: Vecu= _B+4M+T) cell Aerated Lagoon: S, 1 S 1+k V 0, Q HRT: =