Skip to main content

Full Scale Treatment of Slaughter House and Meat Packing Waste at Jennie-O Turkey Store, Barron, Wisconsin

Buy Article:

$9.50 plus tax (Refund Policy)

Or sign up for a free trial

Jennie-O Turkey Store owns and operates a 0.057 m3/sec (1.3 MGD) treatment plant for treating wastewater from the slaughter of 26,000 turkeys per day. In 2000, Jennie-O Turkey Store was required by the Wisconsin Department of Natural Resources (WDNR) to remove phosphorous below 1 mg/l. The existing lagoon system with seepage cell was not removing phosphorous cost effectively and odors were a continuing issue. To improve the plant's waste treatment process, an activated sludge system was proposed to replace the lagoon system.

After screening and pumping at the existing slaughter facility, wastewater flows to an equalization basin, and then receives primary treatment through dissolved air flotation (DAF), using ferric sulfate and anionic polymer as flocculants. The DAF effluent is then further treated in an Orbal oxidation ditch for complete nitrification, phosphorus removed with ferric sulfate, alkalinity controlled with magnesium hydroxide, clarified and UV disinfected. The waste activated sludge is DAF thickened in a second DAF tank using a cationic polymer and joins the primary DAF float sludge in sludge storage. Sludge in the storage tanks is mixed 3-times per year and liquid hauled to land application. During the year, decant from the sludge holding tanks is pumped to the waste activated sludge DAF unit for solids removal and the underflow goes to the oxidation ditch. The new activated sludge system came on-line in June 2002.

This paper presents the results of a comprehensive and innovative evaluation to overcome a persistent filamentous bulking problem in an industrial waste treatment facility. Specifically, it will reveal how a multi-ring oxidation ditch was modified, with minor construction changes, to provide selector benefits in treating highly soluble BOD wastewater. Actual data from startup through three years of operation will show the impact of a selector on activated sludge settling and control of filament O21N. The paper disproves, at least in this specific case, the theory that a selector effect occurs in the outer ring of such ditches due to alternating aerobic and anoxic conditions. In actuality, introducing the wastewater to the outer ring of this ditch helped propagate the growth of filament O21N, likely due to rapid dispersion of the soluble waste throughout the ring volume. In contrast, introducing the wastewater to the inner ring of the ditch and reversing the flow through the ditch has shown to significantly control the growth of filament O21N and has provided a simple, easy to operate, and very cost-effective solution to the filamentous bulking problems.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Document Type: Research Article

Publication date: 2006-01-01

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more