Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Waste Treatment System for Confined Hog Raising Operations.
Author Park., William R. ;
CORP Author Midwest Research Inst., Kansas City, Mo.;Office of Water Resources Research, Washington, D.C.;Environmental Protection Agency, Washington, D.C. Office of Research Development.
Year Published 1974
Report Number EPA-13040-EVM; W74-11792 ; EPA-13040-EVM
Stock Number PB-235 558
Additional Subjects Industrial waste treatment ; Agricultural wastes ; Swine ; Aeration ; Settling basins ; Lagoons(Ponds) ; Oxidation ; Efficiency ; Operating costs ; Installation ; Aeration tanks ; Cost analysis ; Aerobic processes ; Odors ; Waste disposal ; Insect control ; Manure ; Feedlot wastes ; Hogs
Library Call Number Additional Info Location Last
NTIS  PB-235 558 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 81p
A waste treatment system was installed in conjunction with an existing confined swine feeding operation at Schuster Farms, Gower, MO. The system consisted of a concrete aeration tank equipped with mechanical surface aerators, followed by a settling pond. Wastes from the 1,000-hog feeding operation were flushed through a gutter in the concrete feeding floor into the aeration tank, where they were aerobically digested. All aeration tank discharges were retained in the settling pond where the liquids evaporated. The waste treatment facility operated continuously and dependably over a two-year period, with treatment efficiency averaging 90% to 95%. The system effectively controlled objectionable odors and insects, contained all liquid runoff emanating from the feeding operation, and left only a dry, inert residue suitable for land disposal. Thus, total environmental control was achieved at a cost of approximately $1.00 per hog, or 1/2 cent per pound of weight gained while on the feeding floor.