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

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 sector is projected to rise to USD 5.14 billion by 2034, reflecting a CAGR of 12.1 % over the forecast horizon.

Key technologies—Pressure Swing Adsorption (PSA), Water Scrubbing, and Amine Scrubbing—purify biogas by removing CO₂, H₂S and other contaminants. Each method offers distinct separation mechanics, energy footprints and methane recovery rates, forcing developers to match technology choice to feedstock quality and end‑use purity demands.

Momentum is driven by tightening decarbonization mandates, expanding renewable natural gas infrastructure, and the growing appeal of biomethane as a clean fuel for heavy‑duty transport. Europe remains the dominant market with more than 1,000 operating plants as of 2024, while the EU’s REPowerEU plan targets 35 billion m³ of biomethane per year by 2030, directly spurring upgrading demand. Leading vendors—Greenlane Renewables, Xebec Adsorption, Pentair, Wartsila, and Guild Associates—offer differentiated solutions across PSA, membrane and scrubbing technologies.

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

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

Top 10 Companies in the Biomethane Upgrading Landscape

1️⃣ Greenlane Renewables Inc. (Canada)

Headquarters: Vancouver, Canada
Key Offering: Full‑scale PSA and membrane upgrading systems

Greenlane has built a portfolio of turnkey solutions that integrate biogas treatment, compression and liquefaction. The company’s modular PSA units are tailored for mid‑scale plants, delivering methane purities above 97 % while keeping operating costs below 1 % of capital expenditure.

Greenlane actively pursues joint ventures in Europe and Asia, leveraging local feedstock knowledge to optimize plant sizing. The firm’s sustainability roadmap targets a 30 % reduction in CO₂ intensity per megawatt‑hour of biomethane produced by 2030.

• Modular PSA modules with 30 % lower capital outlay
• Integrated gas‑quality monitoring suites
• Strategic partnerships with EU grid operators
• Carbon‑offset program for downstream Bio‑LNG projects

2️⃣ Xebec Adsorption Inc. (Canada)

Headquarters: Montreal, Canada
Key Offering: Advanced PSA adsorbents and process automation

Xebec’s proprietary molecular‑sieve materials achieve methane recoveries exceeding 98 % with minimal pressure drop, enabling high‑throughput operations. The company’s process control platform, XebecSense, reduces maintenance downtime by 15 % and extends adsorbent life.

Committed to circular economy principles, Xebec has introduced a closed‑loop adsorbent regeneration strategy that recycles spent material back into the production cycle, cutting waste streams by 25 %.

• High‑purity PSA technology for grid injection
• Automation platform with predictive maintenance
• Adsorbent recycling program
• Global service network across North America and Europe

3️⃣ Pentair Haffmans (Netherlands)

Headquarters: Nijmegen, Netherlands
Key Offering: Water‑scrubbing and gas‑quality measurement systems

Pentair Haffmans supplies robust water‑scrubbing units that excel in high‑humidity biogas streams from landfills and wastewater plants. The company’s inline moisture sensors enable real‑time adjustment of absorption rates, maintaining methane slip below 1.5 %.

Pentair is expanding its portfolio with a new line of energy‑efficient packing materials that reduce pumping power by 20 %.

• Water‑scrubbing units for high‑moisture streams
• Inline moisture and purity sensors
• Energy‑saving packing technology
• Service contracts covering 15‑year uptime

4️⃣ Wartsila (Finland)

Headquarters: Helsinki, Finland
Key Offering: Bio‑LNG liquefaction and upgrading integration

Through its Puregas Solutions acquisition, Wartsila delivers integrated PSA‑liquefaction platforms that combine gas purification with downstream LNG processing. The system’s modular design allows rapid scaling from 500 m³/day to 5,000 m³/day, catering to both municipal and industrial markets.

Wartsila’s sustainability strategy focuses on reducing energy consumption in liquefaction by 15 % through advanced cryogenic compressors.

• Integrated PSA‑liquefaction units
• Scalable modular architecture
• Advanced cryogenic compression
• Long‑term service agreements with maintenance optimization

5️⃣ Guild Associates Inc. (USA)

Headquarters: Chicago, USA
Key Offering: Molecular‑gate PSA technology

Guild’s patented gate‑controlled PSA system offers superior selectivity for methane over CO₂, achieving purities above 97.5 % while operating at lower pressures. The technology is particularly suited to small‑to‑medium plants that require rapid start‑up and flexible capacity.

The company is collaborating with U.S. renewable gas utilities to develop hybrid PSA‑water‑scrubbing hybrids, aiming to reduce overall energy consumption by 10 %.

• Gate‑controlled PSA for high‑purity output
• Hybrid PSA‑water‑scrubbing solutions
• Rapid start‑up capability
• Custom engineering for U.S. markets

6️⃣ DMT Environmental Technology (Netherlands)

Headquarters: Amsterdam, Netherlands
Key Offering: Amine‑scrubbing systems with low‑energy regeneration

DMT’s amine formulations deliver methane purities above 99 % with solvent regeneration requiring less than 30 kWh per 1 m³ of biomethane. The company’s modular solvent modules enable incremental expansion without major capital outlays.

To support circularity, DMT is piloting a solvent‑recycling pilot plant that recovers 85 % of the active amine, reducing fresh solvent consumption.

• Low‑energy amine scrubbing technology
• Modular solvent modules
• Solvent recycling pilot
• Integration with existing biogas plants

7️⃣ EnviTec Biogas AG (Germany)

Headquarters: Wurzen, Germany
Key Offering: Integrated biogas‑to‑biomethane solutions

EnviTec offers end‑to‑end plants that combine anaerobic digestion, upgrading, and downstream compression or liquefaction. Their PSA modules are optimized for high‑yield agricultural feedstocks, achieving methane recoveries of 96 %.

The firm’s sustainability focus includes a 20 % reduction in water usage per megawatt‑hour of biomethane by 2030, achieved through closed‑loop water recycling.

• Integrated biogas‑to‑biomethane plants
• PSA modules for agricultural feedstocks
• Closed‑loop water recycling
• European market leadership

8️⃣ Carbotech Gas Systems GmbH (Germany)

Headquarters: Gummersbach, Germany
Key Offering: Compact PSA units for municipal plants

Carbotech’s PSA systems are designed for high‑density, low‑volume sites such as municipal waste facilities. The units deliver 95 % methane purity with a footprint less than 1 m² per 500 m³/day of capacity.

Carbotech’s service model includes remote monitoring and predictive analytics, reducing unscheduled downtime by 12 %.

• Compact PSA for municipal sites
• High‑density design
• Remote monitoring platform
• Predictive maintenance analytics

9️⃣ Malmberg Water AB (Sweden)

Headquarters: Lund, Sweden
Key Offering: Water‑scrubbing and gas‑conditioning systems

Malmberg’s water‑scrubbing solutions are renowned for their low operating costs and high reliability. The company’s latest generation incorporates a dual‑stage absorption column that cuts methane slip to 0.8 %.

In partnership with Scandinavian utilities, Malmberg is developing a joint‑venture model that bundles upgrading with municipal gas‑grid expansion, targeting a 15 % market share in the Nordic region by 2030.

• Dual‑stage water‑scrubbing columns
• Low methane slip
• Joint‑venture bundling with grid expansion
• Nordic market focus

🔟 BTS Biogas Srl (Italy)

Headquarters: Turin, Italy
Key Offering: Complete biogas‑to‑biomethane solutions

BTS Biogas delivers turnkey plants that integrate anaerobic digestion, upgrading, and compression. Their PSA modules are optimized for high‑volatile organic waste streams, achieving methane purities above 96 %.

BTS is expanding its portfolio into the Mediterranean market, leveraging local feedstock availability and strong EU renewable gas incentives.

• Turnkey biogas‑to‑biomethane plants
• PSA modules for high‑volatile waste
• Expansion into Mediterranean markets
• EU renewable gas incentive alignment

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Market Outlook

As renewable gas mandates tighten and natural gas prices remain volatile, the biomethane upgrading sector is poised for accelerated deployment. The European market will likely see continued consolidation around PSA and amine solutions, while emerging markets in Asia‑Pacific and Latin America will increasingly adopt modular water‑scrubbing systems to match local feedstock profiles.

Investment flows are expected to favor projects that combine upgrading with downstream liquefaction, particularly in regions with established LNG infrastructure. The integration of digital monitoring and predictive maintenance will further enhance operational economics, making smaller plants more viable.

Future Trends

• Digital twins for real‑time performance optimization across PSA, water and amine plants.
• Hybrid upgrading modules that blend PSA and water‑scrubbing to balance purity and energy consumption.
• Emergence of bio‑hydrogen co‑production pathways that repurpose excess CO₂ from upgrading streams.
• Expansion of carbon‑credit frameworks that reward high‑purity biomethane production.
• Growth of localized, decentralized upgrading units driven by rural electrification and off‑grid communities.