fig9
![Recent advances in shape selectivity of MFI zeolite and its effect on the catalytic performance](https://image.oaes.cc/4309ec95-a878-49b5-a60d-d6ffeba371d4/5355.fig.9.jpg)
Figure 9. (A) Schematic diagram of ZSM-5 channels. (B) Orthorhombic and monoclinic forms of ZSM-5. The lattice T-sites for the orthorhombic form are shown in red; those for the monoclinic form are shown in blue. (C) Mapping T-sites to α, β, and γ nomenclature. The figure is used with permission from American Chemical Society[25]. (D) Illustration of crystal growth of ZSM-5 zeolites from primary gel precursor under different hydrothermal synthesis conditions. The figure is used with permission from American Chemical Society[124]. (E) 27Al MAS NMR spectra of [TPA]-75, [Na]-75, [TPA + Na]-75, and [PET + Na]-75 samples. The figure is used with permission from American Chemical Society[125].