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anaerobic digester system Applications

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    Municipal wastewater solutions for anaerobic digestion industry

    Recover valuable energy with WesTech`s anaerobic digestion process equipment. We offer complete digestion systems to store solids, provide mixing, capture methane gas, and convert it into usable energy.

    By WesTech Engineering, Inc. based in Salt Lake City, UTAH (USA).

  • 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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    Biogas recovery

    Collect valuable biogas from anaerobic digestion systems with a GTI gas collection cover. In waste-to-energy projects, the collected biogas can be used as a renewable fuel to generate process heat or electricity, helping to offset energy costs.

    By Geomembrane Technologies Inc. (GTI) based in Fredericton, NEW BRUNSWICK (CANADA).

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    Biogas Monitoring for the Renewable Energy Industry

    AppliTek`s solutions in this field concentrate on the process efficiency of anaerobic digesters. Many existing digesters give unnecessary problems, which arise due to inadequacies in the process or process control system. AppliTek has developed a unique instrument to measure and control the key processes in the anaerobic fermentation. Compact gas analyzers with proprietary technology can be implemented to check the biogas yield.

    Parameters: Volatile Fatty Acids - Alkalinity - pH - Bicarbonate

    Gas parameters: CH4 - CO2 - O2 - H2S

    By AppliTek NV based in Nazareth, BELGIUM.

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    Solutions for the food & beverages industry

    Food waste in general has a high energy density. This results in high yields when producing biogas through anaerobic treatment. Biogas is a very flexible energy product with proven capabilities in the power, transportation, and heat demanding sectors. In this sector, anaerobic digestion offers significant cost advantages over traditional disposal methods. By upgrading the biogas into natural gas using a DMT Environmental Technology system, a solid business case with an interesting return on investment is assured.

    By DMT Global Environmental Solutions BV based in Joure (NL), NETHERLANDS.

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    High quality gas sensor solutions for biogas

    Fast, accurate and reliable measurement of CO2 and CH4 concentration. Methane and CO2 concentration measurements are a key part of the evaluation of the anaerobic digestion process. Too high or too low gas concentration levels can indicate a change in the efficiency of the fermentation process. AD process control systems measure the Methane content (and often the CO2 content) of the gas stream to control or evaluate the AD process and warn of problems. Edinburgh Sensors provide high performance OEM gas detectors that are able to give fast, accurate and reliable measurements of both CO2 and Methane concentrations.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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