wisconsin totals around 650,000 tons of food waste annually disposal of waste cost between $10-$50 ...
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Anaerobic Dry Digestion Trailer
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Background
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
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Objectives
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
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Project Processing Facility
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
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Testing 2012/2013
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
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Digester Trailer
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Digester Trailer
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Run 1: Green BeansStart Up
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Run 1: Green BeansTest Period
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Run 1: Green BeansResults
25-Jul 4-Aug 14-Aug 24-Aug 3-Sep 13-Sep 23-Sep0
50
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450
Biogas Production
AD 1AD 3
Date
Pro
ducti
on (
L)
Methane ContentWeek 1 2 3 4AD 1 32.10% 48.79% 45.85% 38.36%AD 3 16.28% 73.65% 60.50% 37.82%
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Run 1: Green BeansPost Run
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Run 2,3,4: Corn Start Up