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Researchers at the Illinois State Geological Survey at the University of Illinois at Urbana – Champaign will develop and validate advanced catalytic materials and bench-scale systems for purifying flue gas generated from pressurized oxy-combustors to meet CO2 purity specifications for EOR. Two bench-scale systems will be fabricated: one for oxygen reduction and the other for NOx/SOx/Hg removal. Flue gas slipstream testing of the bench-scale catalytic reactors with the catalytic materials developed will be performed at the Staged Pressurized Oxy-Combustion pilot-testing facility at Washington University in St. Louis; testing will also include characterization of the fate and transformation of Hg, heavy metals, and gas contaminants in flue gas. AECOM will prepare a preliminary techno-economic analysis for the proposed flue gas purification technology.
The University of Illinois project has great potential for improving energy efficiency, simplifying process complexity, and lowering costs compared with current state-of-the-art oxy-combustion flue gas purification technologies. Validation of the performance of the bench-scale systems and the catalytic materials used—along with preliminary techno-economic analysis results—will provide technical information required for engineering and scale-up purposes and help advance the technology to the next stage of development.
