fig3
![Sustainable synthesis of Fe-MOR zeolite for efficient capture of CO<sub>2</sub>](https://image.oaes.cc/7d955928-7776-484a-90e0-a6d802669a97/cs3070.fig.3.jpg)
Figure 3. (A) UV-vis and (B) ESR spectra of Fe-MOR-CFA and Fe-MOR-ACH zeolites. UV-vis: Ultraviolet-visible; ESR: electron spin resonance; Fe-MOR-CFA: Fe-containing mordenite zeolite from coal fly ash; Fe-MOR-ACH: Fe-containing mordenite from acidic co-hydrolysis route.