Forced Circulation of Large Bodies of Water

by Thomas R. Riddick,

Serial Information: Journal of the Sanitary Engineering Division, 1958, Vol. 84, Issue 4, Pg. 1-21

Document Type: Journal Paper


In June 1956, a floating aerator was designed and put in service at the Ossining, NY municipal water collecting reservoir. An eight HP blower connected to this unit was sufficient to circulate the entire volume of water - 80 million gallons, at a rate of 153 MGD. The most important results were - completely breaking reservoir stratification; retardation and substantial elimination of winter-freeze-over; reduction in color and carbon dioxide; oxidation and precipitation of iron and manganese; increase in dissolved oxygen content; and a shift of the biological environment towards the aerobic side.

Subject Headings: Water circulation | Municipal water | Reservoirs | Dissolved oxygen | Aeration | Water stratification | Winter | Carbon dioxide | New York | United States

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