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Sunstones

Sunstones ApS

Mineralisation (geological) DK EUDP-funded test facility EU · in CRCF scope

Danish company founded in 2023 out of research at the Department of Geoscience at Aarhus University. It takes CO2 from sources such as biogas plants, dissolves it in water and injects the solution into the subsurface, where it mineralises into stable carbonates. A test facility is being built near Fur in the Limfjord, where test drilling has already been carried out with the Skive Climate Fund, Aarhus University and Rybjerg Biogas. Mineralisation in geological formations is not covered by a CRCF methodology yet.

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MethodMineralisation (geological) Project locationDK CRCF eligibilityIn the EU, so within CRCF scope. Actual eligibility also requires the methodology for this activity to be adopted. CRCF permanence classPermanent removal: centuries, does not expire
The class the CRCF sets for this activity type, not the term of this project.
StatusDeveloper-stated · EUDP-funded test facility Websitewww.sunstones.dk SourceTechSavvy on the EUDP grant for the Fur test facility Last checked2026-10-07 ListingCompiled by CRCFProjects from public sources EvidenceDKK 25 million from the Danish Energy Agency's EUDP programme for a test facility for CO2 mineralisation underground near Fur

This profile was compiled by CRCFProjects from public sources. The developer has not checked it, and the status is not independently verified by us. No project holds a CRCF certificate yet, and the first units are expected in 2027.

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