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Magnetic chitosan/TiO composite for vanadium(v) adsorption simultaneously being transformed to an enhanced natural photocatalyst for the degradation of rhodamine B.
RSC Adv
March 2023
State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology Lanzhou 730050 Gansu China
Article Synopsis
- - A magnetic chitosan/TiO composite (MCT) was created using a one-pot method, demonstrating an adsorption capacity of 117.1 mg/g for vanadium(V) with optimal absorption conditions at a pH of 4 within 40 minutes.
- - The MCT was effectively reused for photocatalytic reactions, showing 86.4% decolorization of rhodamine B (RhB) with new MCT and 94.3% with spent MCT, indicating its efficiency as a catalyst.
- - The study revealed that hydroxyl radicals were key in the photocatalytic degradation of RhB, with specific attention to the formation of superoxide anion radicals and monitoring of byproducts