6 January 2026

PERMA Full-Scale Methane Eradication Photochemical System (MEPS)

Announcement

The Department of Chemistry, University of Copenhagen is pleased to announce the start of the PERMA Full-Scale Methane Eradication Photochemical System (MEPS) project.

Methane, ammonia, and odor. Photo Kent Pørksen

The Department of Chemistry, University of Copenhagen is pleased to announce the start of the PERMA Full-Scale Methane Eradication Photochemical System (MEPS) project.

PERMA is a collaborative research and innovation project involving the University of Copenhagen, Aarhus University, Ambient Carbon, and Arla Foods, with a total project budget of 21 million DKK. The project is led by Matthew S. Johnson, Professor of Atmospheric Chemistry at the Department of Chemistry.

The project builds on a photochemical methane-removal technology invented at the Department of Chemistry and is being further developed and implemented by the University of Copenhagen spin-out company Ambient Carbon, which serves as the technology provider for the project.

The PERMA Full-Scale MEPS project will:

Design, build, and operate a full-scale MEPS unit integrated with barn air extraction and control systems at a 100-cow dairy barn.

Demonstrate 75–90% removal of methane, ammonia, and odor, with low energy consumption and fully auditable measurement, reporting, and verification (MRV) data.

Deliver a certified, scalable Danish mitigation solution enabling low-methane milk production by 2028, targeting Technology Readiness Level (TRL) 8–9, with clear pathways to deployment in Europe and North America.

The project represents a significant step toward practical, verifiable mitigation of agricultural methane emissions using advanced photochemical technologies developed in Denmark.

More information about the project is available here:
https://agrifoodture.com/projects/perma-fs-meps/

Topics