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EVALUATION OF AEROBIC TREATMENT UNITS IN TREATING HIGH STRENGTH WASTE FROM DAIRY MILK HOUSES
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 701P0104, . (doi: 10.13031/2013.15774)
Authors: Sara H. Christopherson, David Schmidt, Kevin Janni
Keywords: High strength waste, aerobic treatment, waste treatment, milk, milking parlor, aeration, dairy wastes, drip distribution
Five aerobic treatment units where installed to treat milkhouse wastewater. In the fall of 2002,
two Biomicrobics FAST systems and two NCS Nibbler systems were installed at four dairy
farms with between 50 to 125 cows. In the summer of 2003, a Pirana unit was installed at a
dairy milking 50 cows. The FAST and Nibbler units were designed with the surface
discharge goal of 25 mg/L biochemical oxygen demand (BOD5) while the target goal for
Pirana installation was a BOD5 of 175 mg/L to be discharged through a drip distribution field.
All of the systems included a primary treatment septic tank. System performance, design,
management and economic aspects are being evaluated.