Wärtsilä biogas upgrading plant will significantly reduce methane emissions from US dairy facility

Puregas Solutions, a part of the technology group Wärtsilä, has been contracted to supply a turnkey biogas upgrading plant to the USA. The plant will upgrade an existing anaerobic digester (AD) to produce biomethane. It has been ordered by a leader in sustainable agricultural practices, located in the state of Oregon. The order was booked in the second quarter of 2018.

The Puregas solution will process 3100 cfm (cubic feet per minute) of biogas from the anaerobic digestion of manure from more than 50,000 dairy cows. The renewable natural gas will then be injected into a pipeline for use as transportation fuel in California, the adjoining state. The project generates Renewable Identification Numbers (RINs) under the federal Renewable Fuel Standard, as well as credits under California’s Low Carbon Fuel Standard (LCFS).

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