Wisconsin totals around 650,000 tons of food waste annually Disposal of waste cost between $10-$50 Anaerobic digestion decrease disposal cost Limitation is due to high cost of digestion technology
Test Period: Test various waste steams for biogas production and quality Determine the impact of storage Post Testing: Develop a facility management plan for handling annual waste Develop guidelines for other facilities
Del Monte in Cambria, WI Canning between June and October Peas: 1 truckload/ day for 25 days Beans: 50 to 60 tons/day for 75 days Corn: 600 tons/day for 60 days
Summer 2012: Worked out issues with digesters Summer/Fall 2013 Run 1: Green Beans (finished) Run 2: Fresh Corn (Started 9/20) Run 3: Corn stored 30 days Run 4: Corn stored 60 days
Methane Content Week1234 AD %48.79%45.85%38.36% AD %73.65%60.50%37.82%