Abstract
In this study, Fe2O3/TiO2 composites were successfully fabricated by a simple approach for treating titanium slag with dilute sulfuric acid, followed by a ball-milling process and calcination at a temperature of 400-800 oC in air. The resultant Fe2O3/TiO2 composites were characterized by using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), the N2 adsorption-desorption isotherm, and UV–vis diffuse reflectance spectroscopy. The effects of the concentration of sulfuric acid and the calcinated temperature on the formation of the Fe2O3/TiO2 composites were investigated in detail. The obtained Fe2O3/TiO2 composite has a BET surface area, energy bandgap, and pH point of zero charge of 76.65 m2/g, 2,09 eV, and 8,45, respectively. Therefore, this as-prepared Fe2O3/TiO2 composite could be a promising and cost-effective adsorbent for the effective removal of heavy metals and photodegradation of dyes from an aqueous environment.
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