EPA LMOP Session: Partnership Opportunities...Title: EPA LMOP Session 1 – Anaerobic Digestion...
Transcript of EPA LMOP Session: Partnership Opportunities...Title: EPA LMOP Session 1 – Anaerobic Digestion...
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Lauren AepliProgram Manager
EPA LMOP Session: Partnership Opportunities
Ellen MeyerProgram Manager
Chris CarusielloEnvironmental Engineer
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Anaerobic Digestion Facilities Processing Food Waste in the
United StatesYear Two Survey Results
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OVERVIEW
1. Background2. Goals3. Scope of Facilities4. Results5. Conclusion & Next Steps6. Excess Food Opportunities Map
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DATA COLLECTION GOALS• Identify the number and location of AD facilities
• Document processing capacity & track it over time
• Types of feedstocks and sources
• Amount of food waste processed
• Amount of biogas produced
• Analyze the end-uses of AD products
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SCOPE OF FACILITIESStand Alone On-Farm WRRF
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RESULTS• Location Data• Response Rates• Processing Capacity• Food Processed• Biogas Production• Operational Dates
• Feedstock Types & Sources
• Biogas Uses• Gas Cleaning Systems• Solid & Liquid Digestate
Uses
And more in the full report!
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RESULTS: Operating AD Facilities Processing Food Waste by State
CT:DE:HI:MD:MA:NJRI:
1000550
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RESULTS:• Total processing capacity (2018) = 21.1 million tons per year• Total amount of food waste processed (2016) = 10.7 million tons• Total amount of biogas produced (2016) = 40.3 thousand SCFM
Digester type Number of Facilities Surveyed
Submitted Survey Response Rate
Stand-alone digesters 62 46 74%On-farm digesters 59 16 27%WRRF digesters 77 72 94%Total 198 134 68%
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RESULTS: Operational Dates
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Num
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f Dig
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Year
On-Farm Stand-Alone WRRF
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RESULTS: Top Five Feedstock Types Processed
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FOG Food processing industrywaste
Beverage processingindustry waste
Fruit/vegetative wastes Food service waste, pre-& post-consumer
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Stand-Alone Facilities On-Farm Facilities WRRF Facilities
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RESULTS: Top Five Sources of Feedstock
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Food/bev. Proc. Rest. & food service Groc. stores/superm. Industrial Munici./res.
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Stand-Alone Facilities On-Farm Facilities WRRF Facilities
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RESULTS: Top Five Uses of Biogas
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Produce heat andelectricity (CHP)
Fuel boilers and furnacesto heat digesters
Fuel boilers and furnacesto heat other spaces
Produce electricity (soldto grid)
Produce electricity usedbehind the meter
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Stand-Alone Digesters On-Farm Digesters Co-Digestion Systems at WRRFs
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RESULTS: Top Five Uses of Solid Digestate
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De-watered and landapplied
Composted into areusable/ salable product
Other Landfilled Land applied as is with nodewatering or drying
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Stand-Alone Digesters On-Farm Digesters WRRF Digesters
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RESULTS: Uses of Liquid Digestate
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Recirculated through digester Reused as fertilizer via landapplication
Discharged to a wastewatertreatment plant
Other
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Stand-Alone Digesters On-Farm Digesters WRRF Digesters
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CONCLUSION & NEXT STEPS• Report I and II have been released
• Currently writing Report III • Target release Summer/Fall 2020
https://www.epa.gov/anaerobic-digestion/anaerobic-digestion-tools-and-resources
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Or internet search: “epa food map”
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Chris CarusielloEPA Office of Resource Conservation & Recovery
Melissa PenningtonEPA Region III