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The absorption efficiency of amine CO2 absorbent (KoSol-5) developed by KEPCO research institute was evaluated using a 0.1 MW test bed. The performance of post-combustion technology to capture two tons of CO2 per day from a slipstream of the flue gas from a 500 MW coal-fired power station was first confirmed in Korea. Also the analysis of the absorbent regeneration energy was conducted to suggest the reliable data for the KoSol-5 absorbent performance. And we tested energy reduction effects by improving the absorption tower inter-cooling system. Overall results showed that the CO2 removal rate met the technical guideline (CO2 removal rate : 90%) suggested by IEA-GHG. Also the regeneration energy of the KoSol-5 showed about 3.05 GJ/tonCO2 which was about 25% reduction in the regeneration energy compared to that of using the com- mercial absorbent MEA (Monoethanolamine). Based on current experiments, the KoSol-5 absorbent showed high efficiency for CO2 capture. It is expected that the application of KoSol-5 to commercial scale CO2 capture plants could dramatically reduce CO2 capture costs.

0.1 MW Test Bed CO2Capture Studies with New Absorbent (KoSol-5)

0.1 MW Test Bed CO₂Capture Studies with New Absorbent (KoSol-5)