Numerical evaluation of CO2 molecular removal from CO2/N2 mixture utilizing eco-friendly [emim][OAc] and [emim][MeSO4] ionic liquids inside membrane contactor

•Efficiency evaluation of novel [emim][OAc] and [emim][MeSO4] ILs for the removal of CO2 molecules.•Development of a CFD-based numerical model to analyze mass and momentum transfer equations.•Employment of mapped meshing for increasing the accuracy of model prediction.•Discussion about the effects of different operational parameters on the removal efficiency.