For the kinetics measurements of absorption runs, the stirred tank absorber was operated batchwise with respect to both the gas phase and the liquid phase.
For each experimental run, 500 - 600 cm3 volume of the freshly prepared (0.5 or 3.6 M) MEA solution is fed into the chamber and degassed under vacuum for approximately 0.5 - 1 hour.
Once the degassing process is complete, the liquid is kept under vacuum
(i.e. approx. 3.1 kPa at 298.15 K) in preparation for the experimental run and data collection.