Synthesis and characterization of Ca-alginate/CuO bionanocomposite for removal of Reactive Yellow 145 dye: a green approach towards sustainability
Clean Technologies and Environmental Policy(2024)
摘要
The synthetic dyes have gained attention nowadays because of their adverse and toxic effects on the human health and their environment. In this study, a green polymer Ca-alginate/CuO bionanocomposite was synthesized from copper oxide nanoparticles which were applied for the remediation of Reactive Yellow 145. The bionanocomposite was prepared by using a simple and eco-friendly process, following the reduction of copper ions in the presence of Ca-alginate, followed by characterization using different analytical techniques including SEM–EDX, XRD, UV–vis and FTIR spectroscopy. Ca-alginate-based bionanocomposite was analyzed by UV–vis spectroscopy, showing a λmax at 280 nm. Ca-alginate/CuO biopolymer was applied for the remediation of RY 145, and it was investigated using batch experiments following the optimization of experimental variables such as pH 6, 80 °C temperature, 0.04 mg/L initial dye concentration, 0.06 mg/L dose of catalyst and a 0.06 mg/L H2O2 concentration. The experimental results of COD and TOC were found to be 95.3
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关键词
Ca-alginate,CuO bionanocomposite,Reactive Yellow 145,Degradation,UV–vis,FTIR,COD,TOC,SEM–EDX,XRD
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