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Landfill Methane Outreach Program

Project Profile

Cargill North Carolina Landfill Gas Energy Project

LMOP Award Winner
Location:
Fayetteville, North Carolina
End User(s):
Cargill, Inc.
Sector(s):
Food products
Landfill(s):
Cumberland County Landfill
Landfill Size:
1.65 million tons waste-in-place (2000)
Project Type:
Boiler and Direct Thermal (process heater)
Project Size:
694 standard cubic feet per minute (scfm)
Environmental Benefits:
Carbon sequestered annually by 1,800 acres of pine or fir forests, annual greenhouse gas emissions from 1,700 passenger vehicles, or carbon dioxide emissions from 20,100 barrels of oil consumed. Annual energy savings equate to heating 2,400 homes. Estimated emissions reductions of 0.0024 million metric tons of carbon equivalents.
LMOP Partners Involved:
DTE Biomass Energy
Last Updated:
7/7/2010

What do soybeans and garbage have in common? Both represent a viable source of biomass energy and both are critical components of Cargill's operations in Fayetteville, North Carolina. Cargill turns soybeans into oilseed. Next door, at the Cumberland County Landfill, tiny microbes turn garbage into landfill gas (LFG), an economical substitute for natural gas.

Cargill burns LFG to meet its thermal needs while extracting oilseed from soybeans. Oilseed is used in hundreds of food products, plus it can be used in industrial applications such as biodiesel fuel, building materials, plastics, adhesives, candles, crayons, and paint.

The project's highlights include:

  • Steam boiler and process heater consume a combined 30 million Btu per hour.
  • LFG displaces about 20 percent of Cargill's annual fossil fuel purchases.
  • Gas collection system includes 62 vertical gas wells and two centrifugal blowers.
  • 2-mile pipeline dips 85 feet under the Cape Fear River.

Before the LFG reaches Cargill, it is compressed and dewatered in a system designed, constructed, and operated by Enerdyne Power Systems (EPS), LMOP's 1999 Industry Partner of the Year, and DTE Biomass Energy. EPS is an LFG system developer, co-developer, owner, and operator who has forged partnerships with both the public and private sectors and has used their skills as developers to find innovative solutions to project problems.

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