Ultramafic Rock CO2 Storage Capacity is in the Hundreds of Trillions of Tonnes Range

“Geologic storage of CO2 in ultramafic, mafic, and sedimentary formations has the potential to accommodate 10s of billions of tons of CO2 per year, and ultimately store 1000s of trillions of tonnes.”

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“Natural examples of extensive in situ mineral capture and storage in ultramafic rocks, rapid reaction rates in laboratory studies, and the potential for permanent storage of hundreds of trillions of tons of CO2 warrant continued basic research into this little-studied, high-risk, high-reward opportunity.”

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These quotes come from the consensus report titled Negative Emisssions Technologies and Reliable Sequestration written by the Committee on Developing a Research Agenda for Carbon Dioxide Removal and Reliable Sequestration; Board on Atmospheric Sciences and Climate; Board on Energy and Environmental Systems; Board on Agriculture and Natural Resources; Board on Earth Sciences and Resources; Board on Chemical Sciences and Technology; Ocean Studies Board; Division on Earth and Life Studies; National Academies of Sciences, Engineering, and Medicine.

While these quotes are references to storage underground, there is a similar potential in the trillions of tonnes range of olivine rock that can be quarried and transported to beaches.

Last updated on May 17, 2020
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