Onshore Geologic Storage of CO2

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Science  25 Sep 2009:
Vol. 325, Issue 5948, pp. 1656-1658
DOI: 10.1126/science.1175677

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The possibility that substantial quantities of CO2 can be injected into subsurface porous rock formations has been investigated sufficiently to show that pore space available to contain the CO2 is abundant. Multiple rock types and physical mechanisms can be used to trap the CO2 indefinitely. With careful site selection and operations, leakage to the near-surface region can be avoided. The next step is to test these injection processes at the scale of a large power plant.

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