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A gas flare produced by a landfill in Lake County, Ohio. Landfill gas is a mix of different gases created by the action of microorganisms within a landfill as they decompose organic waste, including for example, food waste and paper waste. Landfill gas is approximately forty to sixty percent methane, with the remainder being mostly carbon dioxide.
The use of landfill gas is considered a green fuel source because it offsets the use of environmentally damaging fuels such as oil or natural gas, destroys the heat-trapping gas methane, and the gas is generated by deposits of waste that are already in place. 450 of the 2,300 landfills in the United States have operational landfill gas ...
Increasingly, however, office buildings and industrial uses are made on a completed landfill. In these latter uses, methane capture is customarily carried out to minimize explosive hazard within the building. An example of a Class A office building constructed over a landfill is the Dakin Building at Sierra Point, Brisbane, California.
Any unburned gas that escapes contains methane, a long lived greenhouse gas. The key difference from fossil natural gas is that it is often considered partly or fully carbon neutral , [ 31 ] since the carbon dioxide contained in the biomass is naturally renewed in each generation of plants, rather than being released from fossil stores and ...
The Sampson County landfill is the state’s largest methane emitter. Neighbors are worried about an effort to capture, sell the gas. A Sampson County landfill project would capture methane.
These gases can include methane (CH 4), carbon dioxide (CO 2), hydrogen (H 2), and volatile organic compounds (there are approximately 500 others that can be present in trace forms) from the waste on site and its degradation over time. Steps must be taken to prevent this migration from the landfill site as it might enter buildings in the vicinity.
Homeowners in Cheatham County, just outside of Nashville, Tennessee, are fuming after the Tennessee Valley Authority (TVA) surveyed their land for a potential transmission line for a new methane ...
Methane capture equipment can be privately owned if the project is located within a designated National Estuary. Public or privately owned equipment to capture methane emitted from manure-containing ponds on animal feeding operations (AFOs), not regulated as concentrated animal feeding operations (CAFOs), and convert the methane to energy is ...