Selection of aerators for O2 transfer
This chart will help to select the required horsepower of aeration if the BOD (mg/l) and daily flow rate of wastewater are known. First, select the appropriate daily waste flow on the left side of the chart. Then extend a horizontal line to the right until you intersect with the appropriate BOD curve. Drop a line vertically from the intersection to the bottom and read the horsepower required for aeration.
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