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Biogas-Purification Directory

Ammongas LLC

Ammongas designs and builds RNG / biogas upgrading facilities, focusing on creating greener fuels and capturing carbon. Its primary activities include biogas upgrading to create RNG, carbon capture and storage (CCS) and utilization (CCUS) to remove CO₂, and CO₂ liquefaction.

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Interra Global

Interra Global provides comprehensive solutions for biogas operations, specializing in H₂S removal media and vessels. Our core solutions include FerroSorp®, a high-performance H₂S removal media and FerroSorp® powder digester additive, MethaneMaxx™ trace element digester additive to boost methane output, and the VAV bulk media vessel. At Interra Global, we’re dedicated to helping customers achieve the most efficient biogas production.

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Merichem Technologies

Merichem Technologies is a global supplier of high-performance adsorbents, catalysts and other sulfur treatment technologies backed by 50 years of proven experience. Our patented iron-based adsorbents and proprietary catalysts deliver robust, high-capacity hydrogen sulfide (H2S) removal across biogas, RNG and other renewable fuel applications. Designed for safety, compliance, and operational efficiency, our solutions help operators protect equipment, reduce downtime, enhance safety, and maximize profitability, all supported by reliable manufacturing and superior customer service.

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Ohio Lumex

Ohio Lumex has become increasingly well known for our expertise in biogas/RNG analysis, and our one-stop-shop approach is resonating with clients, including producers, pipeline operators, utilities, etc., who have sometimes referred to gas analysis in this industry as the “wild west.” Rather than having one group conduct onsite sampling, then sending it to one or more labs that typically have no experience in the complexities of biogas/RNG sampling, then purchasing monitoring equipment from another party who has adapted equipment from other industries, we provide the complete turnkey solution, designed and optimized for the biogas/RNG industry, and tailored to the clients’ needs. We Do It All • Onsite sample collection • Sampling equipment, supplies, and guides • Laboratory analysis • Continuous monitoring equipment • Methods development • Consulting

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Xchanger, Inc.

Xchanger is a leading manufacturer of custom heat exchangers and blower aftercoolers, with over 25,000 units installed worldwide. We can optimize any of our 10 standard product models to control temperature and humidity in almost any application. By making simple changes to our standard models, our Mechanical Engineers are able to provide custom designs at a fraction of the cost. We offer fin-tube and plate-fin heat exchanger surfaces, many construction materials to choose from, air-cooled and liquid-cooled designs, and explosion proof, severe duty, and inverter-duty motors. Our BG Series heat exchangers are especially relevant to the industry, as they cool and dehumidify Bio Gas streams, commonly found in landfills and digesters.

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BIOFerm

BIOFerm is an experienced provider of turnkey renewable energy systems for anaerobic digestion, biogas upgrading, and solar energy. From project conception through commissioning, we handle every aspect of the process and are committed to providing successful renewable energy projects to our customers.

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BIOFerm

BIOFerm is an experienced provider of turnkey renewable energy systems for anaerobic digestion, biogas upgrading, and solar energy. From project conception through commissioning, we handle every aspect of the process and are committed to providing successful renewable energy projects to our customers. Our range of biogas solutions allows for seamless integration into a variety of different operations, including agricultural operations, landfills, municipalities, water resource plants, distilleries, ethanol plants, and more.

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Hydron Energy

Hydron Energy is establishing novel gas separation solutions for various energy and processing fields of use to address both environmental and economical market opportunities. Hydron has developed its INTRUPTor™ system which is a turnkey solution that turns waste gases into clean fuels. The compact system will provide significant capital and operating cost savings over conventional gas-upgrading technologies for the Biogas Upgrading, Clean Hydrogen, Direct Air & Carbon Capture, and Rare Gas Production sectors.

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Ivys Adsorption

Ivys offers both high-performance and innovative technological solutions for the purification of renewable gas and a wide range of equipment for the treatment, compression and filtration of air and gas. By providing best-in-class products to facilitate the transition to a cleaner future, Ivys is part of the movement aiming to decarbonize the planet with a sustainable development model that integrates economic growth through social and environmental responsibilities. Our slogan, Purely Driven, reflects our vision of a cleaner planet, our continued search for more efficient solutions and our dedication to build an organization of excellence together that stays true to its values. Ivys has developed innovative pressure swing adsorption (PSA) technology and the Biostream, an integrated containerized biogas upgrading solution that converts biogas into RNG. With over 100 installations worldwide, our biogas upgrading solutions actively support the production of RNG from food waste, animal waste, and wastewater treatment facilities. The core technology of our biogas upgrading solution utilizes our proprietary PSA system, which is one of the most compact, economical, and reliable gas purification systems available today. The PSA’s unique fast-cycle rotary valve technology and advanced adsorbents are optimally designed to maximize methane recovery, even with fluctuating feed levels.

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Unison Solutions

Unison Solutions, Inc., an employee-owned company founded in 2000, is an industry leader in biogas conditioning and upgrading biogas to RNG. Our systems have been installed around the world at landfills, wastewater treatment facilities, dairies, and food processing plants. We manufacture biogas conditioning and compression packages in sizes that range from 20 scfm up to 8,000 scfm, and we work with all types of cogeneration equipment to customize a biogas-to-energy system for each site. The RNG produced by these systems powers on-site industrial generators, is used as fuel by CNG vehicles, and is injected into natural gas pipelines.

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