J. Appl. Poult. Res.
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J APPL POULT RES 1993. 2:330-336
© 1993 Poultry Science Association
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Research Reports

Recycling of Poultry Chill Water Using Ozone

Amy L. Waldroup, Rob E. Hierholzer and Richard H. Forsythe

Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701; Phone: (501) 575-4409; FAX: (501) 575-7294

Max J. Miller

American Water Purification, Inc. , Wichita, KA 67207

Correspondence: Amy L. Waldroup

A study was conducted to determine whether ozone could be used to meet USDA requirements for recycling poultry chill water. The system as approved by USDA used an ozone dose rate of 7.0 to 11.7 ppm in a series for four 580-gallon tanks. Total contact time during ozonation was approximately 30 minutes. Reductions in excess of 99% were achieved for total aerobes, E. coli, and presumptive coliforms. After ozone treatment, light transmission ranged from 88 to 99% (540 nm) as compared to fresh water. USDA approval of the system was granted in early spring of 1991.

Key Words: Chill water • ozone • recycling






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