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standard · 7 May 2025
Open System Ex-Situ Mineralization (OSEM) Protocol
Jurisdiction countryInternational
Instrument typecertification-protocol
Authorityregistry
PathwaysSurficial mineralization of alkaline solid feedstocks
Scopecarbon removal only
Statusoperational
DetailFirst protocol for durable CDR in the mining industry. Outlines procedures and requirements for carbon dioxide removal via Open System Ex-Situ Mineralization. Leverages natural carbon mineralization in which alkaline rocks or minerals react with atmospheric CO2 to form stable carbonate minerals. Allows for various feedstocks including industrial by-products such as mine tailings, waste rock, steel
Stated statusoperational
Pathway scopespecific
Pathway noteprotocol for CDR via Open System Ex-Situ Mineralization, using alkaline rocks/minerals reacting with atmospheric CO2 to form carbonates
Stated jurisdictionunknown
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