Landfill gas (LFG) is a type of biogas that has been derived from municipal solid waste and can be used to create renewable energy. By implementing landfill gas to energy projects, we indirectly reduce greenhouse gas emissions. Thermal mass flow meters play a helpful role in landfill gas monitoring to satisfy EPA reporting requirements as well as creating alternatives to fossil fuels.

landfill gas flow meter
Thermal flow meters meet the challenges of the environment, which include varying gas compositions, wet (saturated) and dirty gas, a potentially explosive environment, fluctuations in the gas flow, including extremely low flow.

What is Landfill Gas?

Landfill Gas is generated from the breakdown of municipal solid waste. There are hundreds of municipal landfills, all of which produce a mixture of methane and carbon dioxide with traces of nitrogen, oxygen, and other gases. At active landfills, these gases are extracted from multiple wellheads and collected through a network of pipes to a common header pipe.

Landfill Gas to Energy

Typically LFG is about half methane and half carbon dioxide and can be used to replace traditional fossil fuels to heat buildings, boilers and kilns, run generators to make electricity, and even produce fuel to power vehicles. A typical municipal landfill can produce enough energy from landfill gas to power thousands of homes for many years.

Greenhouse Gas Emissions

In addition to generating power, landfills are frequently involved with carbon offset projects. There are over 1000 landfills worldwide where landfill gas is collected which reduces greenhouse gas emissions and accrues emissions credits to meet the EPA reporting requirements, or to comply with Kyoto Protocol.

Landfill Gas Monitoring

The Sage Prime helps quantify the emissions that are saved by measuring the mass flow rate, even at very low flows, and by providing a very easy way to conduct the required periodic calibration field checks with its unique in-situ calibration procedure. In addition, Sage provides flare gas flow meters, engine flow meters, the Sage Prism a wellhead monitoring portable data logging flow meter, and a variety of other thermal mass flow meters that are involved in landfill gas monitoring and reporting.

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