(a). An anaerobic rectangular waste stabilization pond is treating a poultry wastewater with the following design data. Aerial Organic Loading BOD load Depth Length: Width ratio BOD (i). (ii). 495 kg BOD/ha.day 395 kg/day 2 m 3:1 (at Top Water Level, TWL) 700 mg/L. Calculate the incoming flow in m³/day. If the length and width at the based of the tank is 0.9 length and 0.9 width at TWL, evaluate the retention time of the pond.

Structural Analysis
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Chapter2: Loads On Structures
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(a).
An anaerobic rectangular waste stabilization pond is treating a poultry
wastewater with the following design data.
Aerial Organic Loading
BOD load
Depth
Length: Width ratio
BOD
(i).
(ii).
495 kg BOD/ha.day
395 kg/day
2 m
3:1 (at Top Water Level, TWL)
700 mg/L.
Calculate the incoming flow in m³/day.
If the length and width at the based of the tank is 0.9 length and
0.9 width at TWL, evaluate the retention time of the pond.
Transcribed Image Text:(a). An anaerobic rectangular waste stabilization pond is treating a poultry wastewater with the following design data. Aerial Organic Loading BOD load Depth Length: Width ratio BOD (i). (ii). 495 kg BOD/ha.day 395 kg/day 2 m 3:1 (at Top Water Level, TWL) 700 mg/L. Calculate the incoming flow in m³/day. If the length and width at the based of the tank is 0.9 length and 0.9 width at TWL, evaluate the retention time of the pond.
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