Study evaluates design of high-capacity CO2 injection plants

This article discusses major aspects related to the design and future operation of a high-capacity (~9,200 tonnes/day) CO2 injection facility. In particular, the need for a dedicated dehydration facility is carefully evaluated using CO2-water saturation curves.Conventional process simulators are unable to accurately predict these curves and are increasingly inaccurate at supercritical conditions. A more rigorous approach is therefore chosen in this study: a sophisticated software program uses a two-fluid model (i.e., Henry’s law approach for the aqueous phase and an equation-of-state for the nonaqueous phase) to generate the water saturation curves. Our technical data group validate...

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