Synthesis of SiO2/ZnO/Fe2O3/ZnFe2O4 from Spent Alkaline Batteries and Mining Tailings Applied as a Photocatalyst and Pseudocapacitor
Luma Magnago,
Fernando Betim,
Jenifer Almeida
et al.
Abstract:In this study, a mixed oxide (SiO2/ZnO/Fe2O3/ZnFe2O4) was prepared using the anode recycled from alkaline batteries and the silt fraction of mining tailings and applied as a photocatalyst under solar irradiation and as a pseudocapacitor. The structure and morphology of the mixed oxide revealed clusters of nanometric particles with rhombic and octahedral shapes. A 23 full factorial design was performed to determine the effect of pH, hydrogen peroxide (H2O2), and photocatalyst on methylene blue (MB) decolorizat… Show more
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