When higher liquefaction capacities are required, typically when liquefying natural gas, Wärtsilä Gas Solutions offers a compact, reliable and energy efficient plant based on the Semi Dual Brayton process. This liquefaction process uses nitrogen as refrigerant and has a multiple stage compressor.
With over 20 years’ experience of manufacturing, delivering to and installing on prepared sites, Wärtsilä provides turnkey plants for upgrading and liquefaction that enable owners to maximize their plants’ full profitability potential. Once installed, our tailored operation and maintenance agreements can support each customer’s specific needs – ensuring maximum uptime.

Technical data
Applications
The plant is mainly used in production of LNG to be used as renewable fuel for:
It is also highly suitable for production of renewable bioLNG, subject to national regulations for green gas certificates.
Key benefits