A Predictive Model for Aqueous Potassium Carbonate/Piperazine/Ethanolamine for Carbon Dioxide Removal from Flue Gas
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Research Objectives
Mixtures of aqueous potassium carbonate, monoethanolamine and piperazine will be investigated to add additional thermodynamic data to sub-component systems in the following areas:
1. Additional CO2 solubility data during vapor-liquid equilibrium (VLE) and total pressure measurements.
2. The determining the enthalpies of absorption of CO2 in solutions of potassium piperazine, carbonate, and monoethanolamine.
3. To evaluate amine volatility during VLE measurements of the vapor phase utilizing a unique Fourier-Transform infrared (FT-IR) analysis technique.
4. Development of methods for quantifying solution and vapor speciation using FT-IR analysis and acid-base titration.
5. Predict thermodynamic characteristics of H2O-K2CO3-PZ-MEA-CO2 using a rigorous thermodynamic model of the sub-component systems.