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Greenhouse Gases

Climeworks starts up direct air CO₂ capture plant in Iceland

by Craig Bettenhausen
September 18, 2021 | A version of this story appeared in Volume 99, Issue 34

 

A photo of two people standing near large arrays of giant fans.
Credit: Climeworks
Climeworks founders Christoph Gebald and Jan Wurzbacher at the Orca direct air capture facility.

Climeworks has opened what it calls the world’s largest direct air carbon dioxide capture and storage plant. The facility, in Orca, Iceland, is powered by geothermal energy; the captured CO2 will be mineralized over 2 years using an aqueous underground process from the start-up Carbfix. In addition to sequestering 4,000 metric tons of CO2 per year, the facility is an early test of Climework’s platform. The plant uses a series of sorbent-containing units the size of shipping containers, a design approach that allowed the Orca site to be built and commissioned in just 15 months.

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