Zeolite/polymer core-shell hybrid nanoparticles with hierarchical micro/meso-pores

Impact of the Si/Al ratio on the ethanol/water coadsorption on MFI zeolites revealed using original quantitative IR approaches

“…43,44 In particular, a powerful investigation tool to access qualitative and quantitative data during unary and binary sorption experiments is a home-made coupled IR-gravimetry setup (namely AGIR). 13,[45][46][47] This apparatus, working in transmission mode, allowed us determining the molar absorption coefficients (e) of some specific infrared bands of the adsorbed species and then determining the concentration of the adsorbed species, as demonstrated during water and ethanol coadsorption on a MOF material at large vapor phase concentrations (P/P 0 = 0.006-0.65). 13 However, one of the experimental limitations during coadsorption experiments on porous materials is the long delay to reach the sorption equilibrium state.…”