cc_byJung-Fittkau, JessicaDiebold, JosefKruse, AndreaDeigner, Hans-PeterSchmidt, Magnus S.2025-07-292025-07-292024https://doi.org/10.1038/s41598-024-61242-9https://hohpublica.uni-hohenheim.de/handle/123456789/17829In this work, a new concept for the approximate determination of the reaction enthalpy of the reaction between CO2 and monoethanolamine (MEA) in aqueous solution was developed. For this purpose, a CO2 gas stream was flowed into aqueous MEA solutions with different concentrations of 1 wt%, 2.5 wt% and 7.5 wt%. The weight difference ∆T, which is based on the increase in CO2 bound by the MEA over time, was documented using a thermographic camera. The mass difference ∆m, which is also based on the increase in CO2 bound by the MEA over time, was determined using a balance. By determining ∆T and ∆m, an approximate calculation of the reaction enthalpy is possible. The deviation from the values from the data known from the literature was less than 5% in all experiments.engThermographyGravimetryReaction enthalpyMEACO2 capturing540Article2025-06-18