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Lauren AepliProgram Manager
EPAAepli.Lauren@epa.gov
EPA LMOP Session: Partnership Opportunities
Ellen MeyerProgram Manager
EPAMeyer.Ellen@epa.gov
Chris CarusielloEnvironmental Engineer
EPACarusiello.Chris@epa.gov
Anaerobic Digestion Facilities Processing Food Waste in the
United StatesYear Two Survey Results
OVERVIEW
1. Background2. Goals3. Scope of Facilities4. Results5. Conclusion & Next Steps6. Excess Food Opportunities Map
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
SCOPE OF FACILITIESStand Alone On-Farm WRRF
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!
RESULTS: Operating AD Facilities Processing Food Waste by State
CT:DE:HI:MD:MA:NJRI:
1000550
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%
RESULTS: Operational Dates
0
5
10
15
20
1958
1959
1969
1985
1986
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1994
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1996
1999
2000
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2011
2012
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2015
2016
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2018
Num
ber o
f Dig
este
rs
Year
On-Farm Stand-Alone WRRF
RESULTS: Top Five Feedstock Types Processed
0
20
40
60
80
100
FOG Food processing industrywaste
Beverage processingindustry waste
Fruit/vegetative wastes Food service waste, pre-& post-consumer
Num
ber o
f Fac
ilitie
s rep
ortin
g us
e
Stand-Alone Facilities On-Farm Facilities WRRF Facilities
RESULTS: Top Five Sources of Feedstock
0
20
40
60
80
100
120
Food/bev. Proc. Rest. & food service Groc. stores/superm. Industrial Munici./res.
Num
ber o
f fac
ilitie
s rep
ortin
g us
e
Stand-Alone Facilities On-Farm Facilities WRRF Facilities
RESULTS: Top Five Uses of Biogas
0
20
40
60
80
100
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
Num
ber o
f fac
ilitie
s rep
ortin
g us
e
Stand-Alone Digesters On-Farm Digesters Co-Digestion Systems at WRRFs
RESULTS: Top Five Uses of Solid Digestate
0
10
20
30
40
50
60
De-watered and landapplied
Composted into areusable/ salable product
Other Landfilled Land applied as is with nodewatering or drying
Num
ber o
f fac
ilitie
s rep
ortin
g us
e
Stand-Alone Digesters On-Farm Digesters WRRF Digesters
RESULTS: Uses of Liquid Digestate
0
20
40
60
80
Recirculated through digester Reused as fertilizer via landapplication
Discharged to a wastewatertreatment plant
Other
Num
ber o
f fac
ilitie
s rep
ortin
g us
e
Stand-Alone Digesters On-Farm Digesters WRRF Digesters
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
Or internet search: “epa food map”
Chris CarusielloEPA Office of Resource Conservation & Recovery
Carusiello.Chris@epa.gov
Melissa PenningtonEPA Region III
Pennington.Melissa@epa.gov
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