Abstract:Currently, DOE is conducting pilot CO 2 injection tests to evaluate the concept of geological sequestration. One strategy that potentially enhances CO 2 solubility and reduces the risk of CO 2 leak back to the surface is dissolution of indigenous minerals in the geological formation and precipitation of secondary carbonate phases, which increases the brine pH and immobilizes CO 2 . Clearly, the rates at which these dissolution and precipitation reactions occur directly determine the efficiency of this strategy… Show more
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