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landfill biogas Applications

  • Biogas measurement for the waste to energy industry

    In a recent project and the subject of this paper, Kurz engineers conducted a study that lead to a unique, new design that allows thermal flow meters to perform accurately within a wet digester gas environment. The testing environment applies to landfill and digester applications.

    By Kurz Instruments, Inc. based in Monterey, CALIFORNIA (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.

  • Evaporators technology for waste & recycling industry

    The leachate produced by the waste in the landfill is an extremely pollutant effluent that requires high effective treatment processes to comply with the very strict limits for discharging operations. EVALED evaporators are a technological solution which allow to exploit the biogas cogeneration for the full or partial power supply of the plant within the limits of the environmental regulations and to reduce the relevant costs for thermal energy and leachate disposal.

    By EVALED - Veolia Water Technologies based in Zoppola (PN), ITALY.

  • Wastewater treatment solutions for anaerobic sludge digestion sector

    Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy. It is widely used as part of the process to treat wastewater, like Upflow Anaerobic Sludge Blanket (UASB) reactors. As part of an integrated waste management system, anaerobic digestion reduces the emission of landfill gas into the atmosphere. Anaerobic digestion is widely used as a renewable energy source because the process produces a methane and carbon dioxide rich biogas suitable for energy production, helping to replace fossil fuels. The nutrient-rich digestate which is also produced can be used as fertilizer. The digestion process begins with bacterial hydrolysis of the input materials in order to break down insoluble organic polymers such as carbohydrates and make them available for other bacteria. Acidogenic bacteria then convert the sugars and amino acids into carbon dioxide, hydrogen, ammonia, and organic acids. Acetogenic bacteria then convert these resulting organic acids into acetic acid, along with additional ammonia, hydrogen, and carbon dioxide. Finally, methanogens convert these products to methane and carbon dioxide.

    By QM Environmental Services Ltd. based in The Hague, NETHERLANDS.

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