Add time:08/21/2019         Source:sciencedirect.com

The aim of this work is to study the degradation of an innovative solvent for post-combustion CO2 capture composed of 1-methylpiperazine (30% w/w), piperazine (10% w/w) and water (60%) (1MPZ/PZ/Water). Cycling of the solvent has been realized on a lab-scale pilot plant with conditions representative of post-combustion CO2 capture during 1000 hours. Experimental CO2 loadings were 0.33 and 0.69 respectively for the lean and the rich solvent. Monitoring of the two amines concentration showed no significative degradation during the campaign. Complementary analytical strategies permitted the identification of 22 degradation products found in both liquid and gaseous phases.

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