Injecting an Oxygen Fix

by Gary Mauldin, (A.M.ASCE), Hydraulic Engr.; U.S. Army Corps of Engrs., Savannah District, GA,
Randy Miller, (M.ASCE), Chf. of Hydraulics and Hydrology; U.S. Army Corps of Engrs., Savannah District, GA.,
James Gallagher, (M.ASCE), Proj. Mgr.; GEI Consultants, Boston, MA,
R. E. Speece, (M.ASCE), Betz Chair Prof. of Envir. Engrg.; Drexel Univ., Philadelphia, PA,


Serial Information: Civil Engineering—ASCE, 1988, Vol. 58, Issue 3, Pg. 54-56


Document Type: Feature article

Abstract:

Seasonal dissolved oxygen deficiencies are an old problem in hydropower discharges from deep impoundments. At the Richard B. Russell Dam near Savannah, Georgia, an innovative solution to dissolved oxygen depletion was accomplished by placing fine bubble diffusers along the bottom of the 140 ft deep impoundment a mile from the dam. These diffusers have released pure oxygen for 21 out of the last 36 months. The seven month cycles injected enough oxygen to supply downstream fisheries with water above 6mg/1 DO. Evaluation of the systems are presented.

Subject Headings: Dissolved oxygen | Water storage | Diffusion | Dams | Water supply systems | Water supply | Seasonal variations

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