Persistence of Chlorine in Cooling Water from Electric Generating Station

by G. Fred Lee, (M.ASCE), Prof. of Civ. Engrg.; Colorado State Univ., Fort Collins, Colo.,

Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 4, Pg. 757-773

Document Type: Journal Paper


A study of the persistence of chlorine in the cooling water discharged to the Delaware River estuary by the Philadelphia Electric Company Eddystone Generating Station showed that potentially toxic levels of chlorine were present 1 hr to 2 hr after discharge for organisms (plankton) entrained in the thermal discharge plume. Based on consideration of chlorine persistence-time of exposure relationships that exist in cooling water thermal plumes, little or no toxicity would be expected to fish in the Delaware River due to the use of chlorine for condenser fouling control at the Eddystone Electric Generating Station.

Subject Headings: Water discharge | Thermal pollution | Chlorine | Cooling (wastewater treatment) | Temperature effects | Hydro power | Rivers and streams | Toxicity | United States | Delaware | Philadelphia | Pennsylvania

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