Using PFD’s for a similar flue gas desulfurization process, this system replaces the typical sulfur absorption unit with a gas- to-liquid membrane absorption system tuned for capturing CO2. The gas-to-liquid separation system contains a liquid with an affinity for CO2 that traps it as emitted gas passes by the membrane. In a second processing step, CO2 is recovered and regenerated so that it can be reused instead of releasing it into the environment. During EPIC’s Front-End Engineering (FEE) process it was discovered that the second stage of the process – recovery and regeneration of the CO2 – could not be accomplished through the client proposed membrane process. Instead, EPIC implemented a more traditional thermodynamic separation process, which required changes to the process

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