COLLECTION
Landfills are constructed in sections, or cells, where trash is covered daily with shallow layers of soil or other materials. The final cover is thicker and often consists of clay, sand, soil and grass. Methane is collected with a network of wells, pipes and pumps.
1
2
PROCESSING
Methane is piped to a processing facility, where moisture, carbon dioxide, sulfur, volatile organic compounds and other impurities are removed.
Electricity generation
Pipeline gas
Plant
Wells, pumps
Vehicle fuel
Methane
DISTRIBUTION
The refined and compressed methane is ready to be used as vehicle fuel or pipeline gas, or for electricity generation and other industrial applications.
3
Garbage
Earth
Electricity generation
2
PROCESSING
Plant
Pipeline gas
1
COLLECTION
Wells,
pumps
Vehicle fuel
Methane
Garbage
3
DISTRIBUTION
Earth
Electricity generation
2
PROCESSING
Plant
1
COLLECTION
Pipeline gas
Wells,
pumps
Vehicle fuel
Methane
Garbage
3
DISTRIBUTION
Earth