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THE VORTEX DROP STRUCTURE IMPLEMENTATION FOR …
THE VORTEX DROP STRUCTURE IMPLEMENTATIONFOR ODOR AND CORROSOIN CONTROLW illiam P. Moeller, Jr., , Eugene Natarius, council environmental Services3565 Kennebec DriveEagan, Minnesota 55122-1036 ABSTRACTH ydrogen sulfide gas emissions cause extensive corrosion and odor problems in wastewaterconveyance and treatment systems. A significant source of these emissions is from drop struc-tures such as interceptor drop maintenance holes, forcemain discharges, joint structures, and wetwell drops in sewer pumping stations. The VORTEX Drop STRUCTURE (VDS), invented by EugeneNatarius, is an effective energy dissipater and aerator, which considerably improves the dropstructure. It dissipates the flow energy and aerates the wastewater, preventing emission of odor-ous gases, oxidizing the hydrogen sulfides, and protecting the drop STRUCTURE from corrosion andabrasive council environmental Services, a regional public agency serving the Minneapolis/St.
THE VORTEX DROP STRUCTURE IMPLEMENTATION FOR ODOR AND CORROSOIN CONTROL William P. Moeller, Jr., P.E., Eugene Natarius, Ph.D. Metropolitan Council Environmental Services
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