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The potential for the release of metals into groundwater following the injection of carbon dioxide (CO 2 ) into the subsurface during carbon sequestration projects remains an open research question. Changing the chemical composition of even the relatively deep formation brines during CO 2 injection and storage may be of concern because of the recognized risks associated with the limited...
The Illinois State Geologic Survey is conducting several ongoing CO 2 sequestration projects that require geochemical models to gain an understanding of the processes occurring in the subsurface. The ISGS has collected brine and freshwater samples associated with an enhanced oil recovery project in the Loudon oil field. Geochemical modeling allows us to understand reactions with carbonate...
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