Abstract
Amine aerosol testing was conducted at the University of Texas at Austin CO 2 capture pilot plant using concentrated piperazine (3.7 molal) and high temperature flash with cold rich bypass (140 °C). Two methods of piperazine aerosols generation were tested: H2SO4 injection with a liquid vaporizer injector, and direct injection 20 ppm of SO2 into the synthetic flue gas. A Phase Doppler Interferometer (PDI) analyzer from Artium Technologies was used to measure piperazine aerosol droplet sizes and distributions at the absorber gas outlet. A FTIR system with new upgraded heated probes was used to make measurements of total PZ concentrations at the absorber gas inlet and outlet. A manual sampling train method was used to provide secondary validation of FTIR and PDI measurements.
Published Version
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