Biogas
Engineering advanced technology for the next wave of green energy
BiogasBiogas

Powering the future of sustainable energy with advanced bioLNG and bioCO2 solutions engineered for efficiency, reliability, and true decarbonization.

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Turning renewable energy and CO2 recovery into reliable, high value solutions.


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We deliver advanced process systems for renewable energy production, including biogas upgrading and pretreatment for contaminant removal and the liquefaction of biomethane and bioCO2.

Our technology ensures reliable, efficient operation and enables CO2 recovery for both industrial and commercial use – turning emissions into value and expanding revenue opportunities.

Renewable natural gas
solutions

Delivering complete renewable natural gas solutions, integrating gas treatment and liquefaction for reliable, efficient operation.

We deliver renewable natural gas (RNG) solutions with fully integrated liquefiers designed for reliable and efficient operation – enabling biogas producers to convert renewable biomethane into high-value liquid fuel, expand revenue streams, and meet sustainability targets with confidence.

Our project delivery and field assembly, alongside our modular and skid-mounted system, minimizes on-site construction, optimizes footprints, and reduces commissioning timelines.

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Carbon Dioxide
solutions

Our broad and deep experience with cryogenic equipment and technology puts our customers ahead with their projects.

Our recovery systems transform CO2 byproducts from biogas upgraders into high-purity on spec CO2 – providing a dependable supply for industrial, commercial, and food and beverage applications. These modular or turnkey plants combine purification, liquefaction, and optional storage in a single engineered package, simplifying installation and reducing footprint.


Designed for continuous operation, the systems adapt to variations in biogas composition and production demand, operating with low energy consumption while achieving industry-high CO2 production rates.

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Our
products

// We don’t just ship equipment – we deliver fully integrated, turnkey solutions, including on-site commissioning and long-term service support. Our plants are designed for reliability, with many still running perfectly after 30 years. //
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Corinne Ziege
General Manager - Nikkiso CE&IG
Wurzen, Germany