Abstract
This study provides the preparation and profound characterization of an eco-friendly photobiocomposite beads named, titanium (IV) oxide/calcium alginate (TiO2/CaAlg), and the examination of their effectiveness for Basic Blue 41 (BB 41) adsorption/ photocatalytic degradation using sunlight like a renewable energy source. Chemical and physical characteristics of pure TiO2, pure CaAlg and TiO2/CaAlg beads were investigated using; X-ray diffraction (XRD), UV–visible diffuse reflectance spectra (UV–Vis DRS), scanning electron microscopy (SEM), attenuated total reflection spectroscopy (ATR), X-Ray photoelectron spectrometer (XPS), thermogravimetry (TGA) derivative thermogravimetry (DTG) and differential scanning calorimetry (DSC) analysis. Kinetic and isotherm models were evaluated using the non-linear model fitting analysis method. Effect of experimental parameters such as solution initial pH, BB 41 initial concentration, photobiocomposite dose on the BB 41 adsorption/photocatalytic degradation was investigated. Recycling capacity of TiO2/CaAlg photobiocomposite beads was tested. Results show that TiO2/CaAlg photobiocomposite is promising material for the BB 41 adsorption/photocatalytic degradation.
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