Record Display for the EPA National Library Catalog


Main Title Forced-Oxidation Demonstration at the TVA Widows Creek Unit 8 FGD System.
Author Patterson, J. G. ; Munson, G. T. ; Runyan, R. A. ; Veitch, J. D. ; Wells, W. L. ;
CORP Author Tennessee Valley Authority, Chattanooga. Office of Power.
Year Published 1982
Report Number TVA/OP/EDT-82/15 ;EPA-600/7-82-043;
Stock Number DE83900061
Additional Subjects Widows creek steam plant ; Flue gas ; Waste disposal ; Sanitary landfills ; Ponds ; Sulfur dioxide ; Desulfurization ; Venturi tubes ; Oxidation ; Adsorption ; Water removal ; Sprays ; Solid wastes ; Waste processing ; Lime-limestone wet scrubbing processes ; Calcium compounds ; Sulfites ; Gypsum ; Ph value ; Sulfates ; Experimental data ; Mathematical models ; Comparative evaluations ; Cost ; ERDA/500200 ; ERDA/010900 ; ERDA/010800
Library Call Number Additional Info Location Last
NTIS  DE83900061 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 139p
To assess landfill as an alternative to pond waste disposal TVA evaluated forced oxidation in a 140-MW train of the Widows Creek Steam Plant unit 8 venturi - spray tower limestone flue-gas desulfurization (FGD) system. Oxidation by air sparging in the agitated hold tanks of both the venturi and spray tower absorber consistently produced over 95% oxidation at combined total air rates of 2 lb atoms 0/lb mole SO sub 2 absorbed. Oxidation only in the venturi hold tank produced less consistent results because of carryover mixing of the liquid in the two tanks. Also, lower air rates had to be used in the venturi hold tank because the tank was smaller. Oxidation levels above 95% permitted dewatering to over 80% solids using a thickener and rotary drum vacuum filter. The dewatered waste was easily handled as a solid. SO sub 2 removal and FGD system operating characteristics were unaffected. Forced oxidation appears to be a practical method of producing a solid waste in the unit 8 FGD system. (ERA citation 08:006060)