Top 10 Companies in the Biomethane Bio‑CNG Bio‑LNG Upgrading PSA Water Scrub Amine Market (2026): Market Leaders Driving Global Renewable Gas Transition

MARKET INSIGHTS

Global Biomethane Bio‑CNG Bio‑LNG Upgrading PSA Water Scrub Amine market size was valued at USD 1.87 billion in 2025. The market is projected to grow from USD 2.06 billion in 2026 to USD 5.14 billion by 2034, exhibiting a CAGR of 12.1% during the forecast period.

Biomethane upgrading technologies – including Pressure Swing Adsorption (PSA), Water Scrubbing, and Amine Scrubbing – are specialized gas purification processes designed to remove carbon dioxide, hydrogen sulfide, and other impurities from raw biogas. The result is high‑quality renewable biomethane that can be injected into natural gas grids, compressed into Bio‑CNG, or liquefied into Bio‑LNG for transport and industrial applications. The three technologies differ in separation mechanisms, energy consumption profiles, and methane recovery efficiencies, making the choice of system a pivotal decision for project developers.

The market is gaining strong momentum driven by accelerating decarbonization mandates, expanding renewable natural gas (RNG) infrastructure investments, and the growing adoption of biomethane as a clean alternative fuel in heavy‑duty transport. Europe continues to lead global capacity additions, with the European Biogas Association reporting over 1,000 biomethane plants operational across the continent as of 2024. Furthermore, increasing policy support such as the EU’s REPowerEU plan – which targets 35 billion cubic metres of biomethane production annually by 2030 – is directly fueling upgrading technology demand. Key players operating across this market include Greenlane Renewables, Xebec Adsorption, Pentair, Wartsila, and Guild Associates, each offering differentiated upgrading solutions across PSA, membrane, and scrubbing technologies.

Biomethane Bio‑CNG Bio‑LNG Upgrading PSA Water Scrub Amine Market – View in Detailed Research Report

Top 10 Companies in the Biomethane Upgrading Market

1. Greenlane Renewables Inc. (Canada)

Headquarters: Toronto, Canada
Key Offering: Full‑scale PSA and water‑scrubbing upgrading systems, integrated with compression and liquefaction modules.

Greenlane’s portfolio emphasizes modular design, enabling incremental capacity expansion for medium‑scale biogas plants. The company has secured contracts across Europe and North America, leveraging its experience in retrofitting existing digesters to meet grid injection standards.

Sustainability & Growth Initiatives: Active participation in EU renewable gas certification schemes, investment in digital monitoring for real‑time methane recovery optimization, and partnership with academic institutions to refine solvent‑free PSA media.

• Global project pipeline exceeding 200 MW of upgraded biomethane.
• Strategic alliance with a leading LNG liquefaction provider.
• Commitment to reducing lifecycle emissions by 30% through energy‑efficient adsorbent regeneration.

2. Xebec Adsorption Inc. (Canada)

Headquarters: Montreal, Canada
Key Offering: Advanced PSA adsorbents and turnkey upgrading solutions for both grid injection and Bio‑LNG pathways.

Xebec’s proprietary adsorbent chemistry delivers higher methane recovery rates, particularly in biogas streams with elevated hydrogen sulfide levels. The firm’s modular units are popular among mid‑scale operators seeking rapid deployment.

Sustainability & Growth Initiatives: Investment in low‑energy regeneration technologies, collaboration with EU research consortia on amine‑free PSA media, and a focus on circular economy practices in solvent recycling.

• Installed capacity of 75 MW across Europe and Asia.
• Partnership with a major European utilities group.
• Ongoing R&D on carbon molecular sieve (CMS) materials.

3. Pentair Haffmans (Netherlands)

Headquarters: Arnhem, Netherlands
Key Offering: Water‑scrubbing units coupled with gas‑quality measurement systems for compliance with grid injection standards.

Pentair Haffmans combines robust water‑scrubbing technology with advanced sensors, allowing operators to maintain methane purity while minimizing chemical consumption.

Sustainability & Growth Initiatives: Development of low‑water‑footprint scrubbing designs, integration of renewable energy sources for operation, and active participation in European circular economy initiatives.

• Over 40 MW of installed water‑scrubbing capacity worldwide.
• Collaboration with municipal waste authorities for landfill gas projects.
• Continuous improvement of sensor accuracy to reduce methane slip.

4. Wartsila (Finland)

Headquarters: Helsinki, Finland
Key Offering: Integrated PSA and amine‑scrubbing systems with downstream liquefaction modules for Bio‑LNG production.

Wartsila’s Puregas Solutions portfolio supports operators aiming to deliver high‑purity biomethane for LNG bunkering and heavy‑duty transport.

Sustainability & Growth Initiatives: Investment in carbon‑neutral liquefaction processes, partnership with maritime operators for LNG bunkering, and focus on digital twins for system optimization.

• Installed capacity of 120 MW of upgrading and liquefaction equipment.
• Strategic alliance with a leading European shipping company.
• Development of a modular liquefaction platform for remote sites.

5. Guild Associates Inc. (USA)

Headquarters: San Diego, USA
Key Offering: Molecular gate PSA technology and engineered solvent‑free adsorption media.

Guild Associates specializes in high‑efficiency PSA systems for small‑to‑medium‑scale digesters, enabling operators to achieve grid‑ready biomethane without extensive pre‑treatment.

Sustainability & Growth Initiatives: Expansion of service networks across the United States, development of predictive maintenance tools, and active participation in U.S. renewable gas policy forums.

• Over 30 MW of installed PSA capacity in the U.S. and Canada.
• Partnership with a major U.S. utility for grid injection projects.
• Investment in AI‑driven performance analytics.

6. EnviTec Biogas AG (Germany)

Headquarters: Paderborn, Germany
Key Offering: Integrated biogas‑to‑biomethane solutions combining PSA, amine scrubbing, and compression.

EnviTec’s systems are widely deployed across European industrial facilities, offering turnkey solutions that cover the entire upgrading chain.

Sustainability & Growth Initiatives: Commitment to 100% renewable energy in manufacturing plants, collaboration with EU research programs on solvent‑free amine formulations, and focus on circular waste management.

• Installed capacity of 90 MW across Europe.
• Strategic partnership with a leading German energy group.
• Development of a modular platform for rapid deployment.

7. DMT Environmental Technology (Netherlands)

Headquarters: Amsterdam, Netherlands
Key Offering: Amine‑scrubbing systems with advanced solvent regeneration and low‑energy consumption.

DMT’s technology excels in high‑purity applications, making it ideal for Bio‑LNG projects that demand methane purity above 97%.

Sustainability & Growth Initiatives: Research into activated methyldiethanolamine (aMDEA) blends, partnership with maritime operators for LNG bunkering, and focus on solvent recycling.

• Installed capacity of 25 MW of amine‑scrubbing systems.
• Collaboration with a major Dutch shipping company.
• Ongoing R&D on solvent‑free amine alternatives.

8. Carbotech Gas Systems GmbH (Germany)

Headquarters: Hamburg, Germany
Key Offering: PSA units with high‑performance adsorbent media and modular expansion kits.

Carbotech’s PSA solutions are tailored for operators requiring rapid scalability and low operating costs, particularly in the European market.

Sustainability & Growth Initiatives: Development of low‑energy adsorbent regeneration processes, partnership with European research institutes, and focus on digital monitoring.

• Installed capacity of 35 MW across Europe.
• Strategic alliance with a leading German industrial conglomerate.
• Investment in predictive maintenance platforms.

9. Malmberg Water AB (Sweden)

Headquarters: Stockholm, Sweden
Key Offering: Water‑scrubbing and PSA upgrading systems with integrated desulfurization modules.

With a history dating back to the 1980s, Malmberg Water has built a reputation for reliability and long‑term service contracts across Europe.

Sustainability & Growth Initiatives: Commitment to renewable energy in manufacturing, development of low‑water‑consumption scrubbing designs, and active participation in EU renewable gas certification.

• Installed capacity of 50 MW of water‑scrubbing and PSA units.
• Partnership with a major Swedish utility for grid injection projects.
• Focus on modular expansion to meet regional demand.

10. BTS Biogas Srl (Italy)

Headquarters: Milan, Italy
Key Offering: End‑to‑end biogas‑to‑biomethane solutions integrating anaerobic digestion, upgrading, and compression.

BTS Biogas delivers turnkey projects for industrial operators and municipal authorities, ensuring compliance with national grid standards.

Sustainability & Growth Initiatives: Collaboration with Italian research institutions on solvent‑free upgrading, investment in digital control systems, and focus on circular waste management.

• Installed capacity of 20 MW across Italy and neighboring countries.
• Strategic partnership with a major Italian energy group.
• Development of modular units for remote deployment.

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Outlook to 2034

Over the next decade, the biomethane upgrading market will be shaped by a combination of regulatory momentum, technological innovation, and shifting supply chains. The continued expansion of renewable natural gas infrastructure, coupled with tightening fuel quality standards for heavy‑duty transport, will sustain demand for high‑efficiency upgrading solutions. Operators will increasingly favor modular, scalable systems that can be deployed rapidly across diverse feedstock streams, particularly in emerging markets where local feedstock availability and grid connectivity vary.

Future Trends

Key trends that will influence the market include: 1) Advanced amine formulations that reduce regeneration energy and improve solvent longevity; 2) Next‑generation PSA adsorbents with higher methane recovery rates and lower operational costs; 3) Digital integration of real‑time monitoring and predictive maintenance to lower downtime; 4) Expanded use of biomethane in maritime bunkering as FuelEU Maritime regulations come online; and 5) Increased focus on circular economy practices that recycle by‑products and reduce waste.