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Wastewater Purification System

Agriculture
Agricultural Engineering
Food Science
Food Processing
College
College of Food, Agricultural, and Environmental Sciences (CFAES)
Researchers
Mancl, Karen
Gaur, Rashmi
Kopp, Ryan
Tuovinen, Olli
Licensing Manager
Dahlman, Jason "Jay"
614/292-7945
dahlman.3@osu.edu

TS-014830 — Treatment of Turkey Wastewater Using Sand and Textile Bioreactors

The current standards for treatment of turkey wastewater include lagoons, trickling filters and activated sludge. Trickling filters and activated sludge fail to properly treat poultry wastewater mostly because of the high fat content in turkey wastewater. Turkey wastewater contains high levels of …

The Need

The current standards for treatment of turkey wastewater include lagoons, trickling filters and activated sludge. Trickling filters and activated sludge fail to properly treat poultry wastewater mostly because of the high fat content in turkey wastewater. Turkey wastewater contains high levels of organic matter and fat and has seen measurements at over 800 mg/L Biochemical Oxygen Demand (BOD) (200 mg/L BOD observed in municipal sewage). This high level of organic material could potentially overload municipal wastewater treatment systems. Lagoons are most widely used for treatment of poultry wastewater but typically result in odor problems and sub-standard effluent. Therefore, simple wastewater treatment techniques, such as sand and textile bioreactors, need to be used to lower the costs of treatment of turkey wastewater.

The Technology

The Ohio State University researchers, led by Dr. Karen Mancl, developed an effective method to treat turkey wastewater using sand and textile bioreactors. The developed technology incorporates the benefits of sand filtration and textile materials, which eliminate clogging while preserving the effectiveness of the filter. This process reduces BOD from 800 mg/L untreated to 5 mg/L after treatment; additionally, the water runs clear. This technology has been implemented by Whitewater Processing Company where a four acre sand bioreactor system was constructed to manage the company’s turkey wastewater. According to their estimates, this technology will save the company $10 million over 20 years. Furthermore, this technology addresses forthcoming regulations concerning phosphorus and nitrogen.

Commercial Applications

  • Agriculture
  • Water Treatment
  • Public health - food safety

Benefits/ Advantages

  • Low maintenance
  • High treatment efficiency
  • Applicable to fat, oil, and grease containing waste streams