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biogas digester Applications

  • Anaerobic Digester for Biogas Plant

    Glass fused to steel tank is made by a special process, called vitreous enamel coating ,which is an advanced technology for anti-corrosion purpose of steel plate. Tanks are coated both inside and outside with enamel .Today, glass fused to steel tank is widely used in wastewater treatment projects as aerobic and anaerobic reactors of UASB,EGSB,SBR,BAF,USR,CSTR, and equalization tank, clarifier, and sludge holding tank. It has proven its superior resistance to thermal and chemical when facing water with extremes in pH and temperature.

    By Center Enamel Co,.Ltd based in Guangzhou, CHINA.

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    Biogas digestion for the Bioenergy Industry

    By GLS Tanks International GmbH based in Heidenreichstein, AUSTRIA.

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    Biogas, anaerobic digestion covers, odor control covers

    IEC is a supplier of floating membrane covers and liners for livestock, hog and dairy producers.

    By Industrial & Environmental Concepts, Inc. (IEC) based in Lakeville, MINNESOTA (USA).

  • Flaring Solutions for the Biogas Industry - Wastewater Treatment + Anaerobic Digester

    ABUTEC manufactures and services low-emission, low-nitric-oxide enclosed flares for the anaerobic digester and wastewater industries. We offer compact solutions and competitively priced equipment for companies that are upgrading due to new regulations, evaluating a gas-to-energy project or looking for a green technology to work in emergency or shutdown conditions. We specifically size and design our flares for each customer’s unique needs.

    By ABUTEC LLC based in Kennesaw, GEORGIA (US) (USA).

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    Sensor for Biogas

    Anaerobic Digestion plants produce various gas components from a source material (or feedstock) that can be composed either solely or as a mixture of slurries, purpose-grown crops, food and organic waste material. The composition of the gas produced varies depending upon the feedstock and the Anaerobic digestion process itself. As a consequence, it is normal to measure various components of the resultant gas produced to evaluate the efficiency of the Anaerobic Digestion process. Furthermore, due to the flammable nature of Methane (CH4), and the risk of asphyxiation, most plants feature ambient air monitoring to protect personnel from any unplanned accumulation of leaked gas. CH4 is the gas component fuel, which is the intended end product of the anaerobic digestion process. In biogas plants, the concentration of CH4 in a working plant varies between 50%-75%, which is well above the Upper Explosive Limit (UEL).

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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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).

  • Biogas to Elecricity

    The range of supply of biogas to electricity solutions is from 10 kW to 1 MW. All the components of the solution are provided with matching capacities. It comprises the biogas digester system of the desired capacity, gas storage, biogas cleaning system to get rid of H2S from the gas, and the biogas genset. In the digester system, one may have a pre-digester or a feed mixing chamber or both. On the post-digester side, liquid from the slurry is separated and is recycled for feed preparation. It reduces the overall fresh water demand of the scheme. The digester itself may be temperature controlled and the input for the same could be given from heat recovery of the genset or from a solar heating system or from any other heat source as the case may be.

    By Kirloskar Integrated Technologies Limited based in Kothrud, INDIA.

  • Biogas for Cooking

    This solution comprises a Biogas Digester of desired capacity working with specific substrate as input. It may or may not have H2S scrubbing system, depending on the quantity of H2S in the biogas and the requirement by the customer for cleaning it. As the heating value of biogas is almost half that of cooking LPG, specially designed biogas burners are provided to improve cooking speed. Depending on the demand by the customer, a blower to increase gas pressure may be employed.

    By Kirloskar Integrated Technologies Limited based in Kothrud, INDIA.

  • biogas generating from organic waste

    Glass fused steel tanks are used various digesters and reactors in biogas plants. * superior performance in corrosion resistance and against rust *factory fabrication tank . No painting or spray on erection site . * minimal maintenance cost * No need crane or other large equipment during erection * not subjected to severe weather and environment. * can be designed to future expansion, dismantle or re-movement. * free service for technical drawings * turn key service from proposal to tank commissioning .

    By Shijiazhuang Zhengzhong Technology INC. based in Shijiazhuang City, CHINA.

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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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    Methane and Carbon Dioxide Sensing for Biogas Applications

    Application: Anaerobic Digestion plants produce various gas components from a source material (or feedstock) that can be composed either solely or as a mixture of slurries, purpose-grown crops, food and organic waste material. The composition of the gas produced varies depending upon the feedstock and the Anaerobic digestion process itself. As a consequence, it is normal to measure various components of the resultant gas produced to evaluate the efficiency of the Anaerobic Digestion process. Furthermore, due to the flammable nature of Methane, and the risk of asphyxiation, most plants feature ambient air monitoring to protect personnel from any unplanned accumulation of leaked gas.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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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.

  • 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).

  • 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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    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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    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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