Nano-Foam Could Plug Underground CO2 leaks
Burying carbon dioxide deep underground is an attractive solution to climate change, but keeping the gas from bubbling to the surface may prove difficult. Injecting nanoparticles into underground reservoirs before they are filled with CO2 could make any leaks self-sealing....
Donald DePaolo, Director, Center for Nanoscale Control of Geologic CO2 (EFRC) and Associate Lab Director for Energy and Environmental Sciences at the Lawrence Berkeley National Laboratory in California says the idea has promise but may be prohibitively expensive.
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