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digester gas Applications

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    Cogeneration (digester & landfill gas) flow solutions

    As an industry leader in Clean Energy flow applications, our thermal mass flow meters are used extensively in measuring digester and landfill gas, making electricity from waste.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

  • Wastewater treatment plants burning digester methane gas

    Superior boilers have hundreds of installations at waste water treatment plants burning digester methane gas. With hundreds of installations across North and South America, you can trust that your Superior Boiler will be sized correctly to safely burn a very useable, inexpensive fuel.

    By Superior Boiler Works, Inc. based in Hutchinson, KANSAS (USA).

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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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    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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    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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    Measurement solution for siloxane monitoring in biogas and landfill

    The generation of electricity from municipal digesters and land fill is of increasing interest, as the biogas can allow for a form of renewable energy. Organosilicon compounds often find their way into land-fill or digester gases as siloxanes. Siloxanes are low-level hazards to the atmosphere in terms of their emissions, however when they are combusted in gas engines the hard silica that is produced is very harsh to the moving parts of the gas engine.

    By Protea Limited based in Middlewich, UNITED KINGDOM.

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    Flow measurement instrumentation for waste water treatment flow solutions

    With its high turndown and direct mass flow, our immersible thermal meters are the instrument of choice for measuring aeration basin air flow and monitoring digester gas. Our vortex meters are used to measure steam in the cogeneration processes, while our ultrasonic flowmeters are used for influent and effluent measurement.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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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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    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).

  • Biomass Burning

    Superior Boilers can be found burning digester methane gas, hydrogen, tallow (animal fats), biodiesel, sanderdust and recovering heat from biomass systems. In addition, Superior Boiler Works, Inc. has partnered with the biomass experts AESI located in Wichita, KS USA. AESI offers turnkey expertly designed biomass sytems and offers burn tests for a diverse array of materials

    By Superior Boiler Works, Inc. based in Hutchinson, KANSAS (USA).




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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 - Environmental Analysis Division 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.

  • Hydrogen Sulfide (H2S) monitoring

    Hydrogen sulfide is the chemical compound with the formula H2S. H2S is colorless, toxic and flammable and is responsible for the foul odour of rotten eggs and flatulence. Hydrogen sulfide often results from sulfur reducing bacteria in nonorganic matter (in the absence of oxygen), such as in swamps and sewers (anaerobic digestion). H2S also occurs in volcanic gases, natural gas and some well waters.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • 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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