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landfill gas generation Applications

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    High quality gas sensor solutions for landfill

    State-of-the-art systems enabling easy monitoring of CO2 and CH4 gases. Capped Landfill Sites produce a range of gases, mostly methane and carbon dioxide. Legislation requires that these gases are safely removed from beneath the cap to avoid a physical explosion due to the build-up of pressure beneath the cap. Safe disposal usually entails burning such as flare stacks, internal combustion engines or by processing to produce Methane gas fuel. For large sites with access to power distribution infrastructure internal combustion engines are used to generate electricity which is fed into the local electricity grid. All of the above safe disposal process require the measurement of the Methane content (and in many cases the CO2 concentration). Edinburgh Sensors provide gas sensors for both Methane and CO2 that can be integrated into landfill gas processing systems enabling easy monitoring of these gases.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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    Portable and fixed gas analysers for landfill gas field management

    Careful management of the many boreholes across a landfill gas field can optimise the gas yield and therefore the power generated from the gas.

    By Geotech based in Leamington Spa, UNITED KINGDOM.

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    Methane and Carbon Dioxide Sensing for Landfill Applications

    Application: In March 1986 an explosion destroyed a bungalow adjacent to a landfill site in Loscoe, Derbyshire. Subsequent measurements showed that 150-200 cubic meters of gas per hour were being generated by landfill waste. This event triggered a change in the way the waste industry considered and regulated gas generated at landfill sites; resulting in the landfill regulations of 2002, and in particular LFTGN03: the Guidance on the Management of landfill Gas.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

  • Air pollution control for the landfill methane remediation industry

    Methane gases used for electric generation or pipeline gas synthesis via membrane or pressure swing adsorption (PSA) processes – commonly use incinerators for air pollution control needs.

    By Catalytic Products International (CPI) based in Lake Zurich, ILLINOIS (USA).

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    Measurement solution for siloxane measurement in land-fill gas via FTIR

    What are siloxanes?

    The generation of electricity from municipal digesters and land fill is of increasing interest, as the biogas generated is a form of renewable energy. Organosilicon compounds are often present in products such as shampoo and cosmetics, as well as industrial products and lubricants, and they move into land-fill. These volatile compounds find their way into land-fill or digester gases as siloxanes.

    By Protea Limited based in Middlewich, UNITED KINGDOM.

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    Air pollution control for ventilation air methane industry

    Ventilation Air Methane (VAM) is a Greenhouse Gas (GHG) released by coal or mineral mining operations, it is also commonly known as Coal Mine Methane (CMM).  The air pollutants from this process have a global warming potential 21 times greater than carbon dioxide, which is another well known GHG.  As alternative energy technologies have developed, methane is increasingly used to generate electricity and heat.  Landfills and mines represent two of the most abundant sources, however reports indicate that more than 50% of all VAM is exhausted from mine ventilation systems and remains unutilized.

    By Anguil Environmental Systems, Inc. based in Milwaukee, WISCONSIN (USA).

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    Applications and Air Pollutants Removed in the Biomass Industry

    Flue gas particulate and acid gases from biomass and bagasse boilers. Removal of ethanol, CO2 scrubbers and yeast cells from fermenters.  Removal of ash particulate, tars, acid gases and ammonia from steam reformers, gasifiers, pyrolosis units and cooling of syngas streams to acceptable limits to enable use as a fuel source for power generation or as a feedstock for chemical products. For tar removal, combination technologies can be used including oil based scrubbing solutions to reduce waste water generation. Ethanol and yeast cell removal from fermenter off-gases. Methanol from processing operations. Hydrogen sulfide removal on landfill, digester and producer gases with regenerable chemistries. Odor control for biomass storage facilities including carbon monoxide removal in wood chip storage areas. 

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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