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- W3108214132 abstract "Wastewater emerging from the industries containing organic pollutants is a severe threat to humans' health and aquatic life. Therefore, the degradation of highly poisonous organic dye pollutants is necessary to ensure public health and environmental protection. To tackle this problem, visible-light-driven ternary metal selenide nanocomposites were synthesized successfully by the solvothermal method and supported by chitosan microspheres (FeNiSe-CHM). The prepared nanoparticles were capped in chitosan microspheres to avoid leaching and facilitate easy recovery of the catalyst. FTIR spectrum confirmed the synthesis of nanocomposite and nanocomposite-chitosan microspheres (FeNiSe-CHM). Based on the SEM images, the nanomaterial and FeNiSe-CHM has an average particle size of 64 nm and 874 μm, respectively. The presence of iron, nickel and selenium elements in the EDX spectrum revealed the synthesis of FeNiSe-NPs. XRD analysis determined the crystallite structure of nanocomposites as 14.2 nm. The photocatalyst has a crystalline structure and narrow bandgap of 2.09 eV. Moreover, the as-synthesized FeNiSe-CHM were employed for the photodegradation of carcinogenic and mutagenic Congo red dye. The catalyst microspheres showed efficient photocatalytic degradation efficiency of up to 99% for Congo red dye under the optimized conditions of 140 min, pH 6.0, dye concentration 60 ppm and catalyst dose of 0.2 g in the presence of sunlight irradiation following the second-order kinetics. After five consecutive cycles, it showed a slight loss in the degradation efficiency. In conclusion, the results demonstrate a high potential of chitosan-based ternary metal selenide nanocomposites for abatement of dye pollutants from the industrial wastewater." @default.
- W3108214132 created "2020-12-07" @default.
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- W3108214132 date "2021-01-01" @default.
- W3108214132 modified "2023-10-03" @default.
- W3108214132 title "Chitosan-capped ternary metal selenide nanocatalysts for efficient degradation of Congo red dye in sunlight irradiation" @default.
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- W3108214132 doi "https://doi.org/10.1016/j.ijbiomac.2020.11.167" @default.
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