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Plants aeration period:
Problem:
What is the plant's aeration period?
Solution
The plant's aeration period is the number of hours that the wastewater is aerated during the activated sludge process. These equivalents the hydraulic detention time of the biological reactor
θ= V/Q = 5, 000, 000 l/33.75 × 106 l / day = 0.15 day = 3.6 hours.
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Convert the azimuth reading of 273.34º to a land bearing: Solution: Convert 273.34º to degrees minutes and seconds = 273º 20' 24" Next, convert the angle to orient to IV
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