Skip to main content
. 2020 Dec 1;5(49):31925–31935. doi: 10.1021/acsomega.0c04822

Table 1. Physicochemical Properties of Zeolite NaY and Its Two Representative Counterparts Containing Ca(II) and La(III) Ionsa.

Code x Si/Al ratio crystal size (nm) as,BET (m2/g) Vp (cm3/g) Wpeak (nm)
NaY   2.5 600 ± 108 829 0.34 0.59
Ca0.91Y 0.91 2.4 600 ± 90 721 0.32 0.56
La0.90Y 0.90 2.5 597 ± 111 714 0.31 0.61
a

Chemical composition and the ion-exchange degree (x) determined by EDS analysis (see Section 4.4 and Table S2), mean crystal size measured by SEM observation, as,BET determined by N2 adsorption–desorption isotherms at 77 K, and total pore volume (Vp) obtained at 0.997 P/P0.