An Autonomous Solar Powered Boring Machine that can identify olivine could extract (and pulverise) a tunnel through a vein of olivine then exit at the far end. This pulverised dunnage can be used as paving material, compressed into bricks, or otherwise profitably deployed at either of the adits.
A large solar/battery fan is installed at the least accessible adit & the ASPBM is reprogrammed to widen, and/or deepen, the original tunnel until the entire vein has been tunnelled, pulverised and exposed to the CO2 laden air that the solar/battery powered fan draws through the now air permeable dunnage left behind the ASPBM.
If the olivine swells and blocks the passage of air as it absorbs CO2, additional tunnels may need to be drilled through the rubble, and enough olivine dunnage extracted to restore airflow. This would be used to expand parking, maintain access roads or compressed into bricks to facilitate additional housing, recreation facilities, or office complexes.
By using the about to be available million cycle batteries, a very long lasting EV style motor for the fan, and a second ASPBM for those periods when its mate is in need of digger/pulverizer head resharpening or renewal. The site will require minimal human intervention. Possibly a site manager, his secretary, a janitor/chauffeur/mechanic and a maid/cook.
Once in operation the site could run continuously until such time as all of the available ovaline had been processed. When this occurs the buildings and parking gravel can be packed back into the holes, both ends sealed and the site restored to its original pristine state.
The fan, solar panels and ASPBMs can then be transported to the nearest promising ovaline vein and the process repeated.
Many of these can be used concurrently, with startup costs coming from fines levied against major emitting businesses. The costs of operations should be minimal but for management costs, and additional fines will relieve every country from fiscal responsibility.
My firm will oversee every aspect of the operation from locating the olivine deposits, certifying the results and inspecting the final cleanup/restoration of the sites. When it comes to CO2 remediation We Really Suck.
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Willie Dewitt
Founder, Inventor & Boring Scientist
We Suck Continuously Co.