Hydrogen Sulfide in Hydropower Reservoirs

by Joseph T. Johnson, Tennessee Valley Authority, Chattanooga, United States,
Richard J. Ruane, Tennessee Valley Authority, Chattanooga, United States,
Lyman H. Howe, II, Tennessee Valley Authority, Chattanooga, United States,

Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources


Hydrogen sulfide is toxic to aquatic life and corrosive to construction materials at concentrations that are considerably lower than detection limits of analytical procedures commonly used in the United States. A titrimetric procedure found in the Chinese literature has been translated and converted to a field method with quality control procedures. This method has allowed the measurement of sulfide distribution in two tributary impoundments and one tailwater and has provided the first available information on the occurrence of sulfide at levels below the commonly detection limits. Also investigated were the effects of sulfide and other anoxic constituents on turbine system fouling and corrosion.

Subject Headings: Sulfides | Hydro power | Reservoirs | Corrosion | Construction materials | Turbines | Dissolved oxygen | Aquatic habitats | United States

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