fig4
Figure 4. (A) XRD patterns and (B) SEM images of the Fe-MOR-CFA zeolite crystallized at (a) 0, (b) 4, (c) 6, (d) 8, (e) 10, and (f) 12 h, respectively. XRD: X-ray diffraction; SEM: scanning electron microscopy; Fe-MOR-CFA: Fe-containing mordenite zeolite from coal fly ash.
