When COâ‚‚ Meets Humidity:
What Happens When Amines Get Wet?
Most CO₂ capture research is done in dry lab conditions, but real systems rarely are. Even small amounts of moisture can change how CO₂ behaves in common amine liquids, sometimes improving performance and sometimes disrupting it.
This application note shows what really happens under realistic humidity. Some liquids absorb COâ‚‚ more quickly with moisture present. Others become noticeably slower. In certain cases, humidity even reverses the expected results.
What you will learn:
– Unexpected reversals in performance
The amine you expect to win does not always win once humidity enters the picture.
– Humidity behaving in unpredictable ways
A small amount improves absorption. A little more creates diffusion barriers and stalls the process.
– Kinetics that defy the usual assumptions
One system becomes almost independent of COâ‚‚ pressure. The reasons are not obvious until you see the data.
– Testing that reflects real conditions
Controlled COâ‚‚ and humidity in DVS Carbon reveal behaviors missed by dry experiments.
Download the application note to see full sorption isotherms, kinetic profiles, and mass-transfer analysis for MEA and MDEA (amines) under controlled humidity.




