Enhanced Reactivity and Stability of Natural Hematite Supported Cobalt for the Catalytic Oxidation of Congo Red Dye

Natural hematite supported cobalt (Co/Nat-Hem), a new heterogeneous catalyst, was successfully prepared by a simple impregnation technique. Textural, structural, functional groups and morphological aspects of the prepared catalyst were analyzed by BET, XRD, FT-IR, XRF, pHpzc, SEM-EDX methods. BET analysis shows that the Co/Nat-Hem catalyst has a specific surface area of ​​13.44 m2/g and a pore volume of 0.062 cm3/g. The SEM-EDX method showed that 7.19 wt