The dye-containing effluent from the textile, paper, and food sectors is brightly coloured and has extremely negative impacts on living creatures. Dye degradation into a non-toxic state is useful for reducing water pollution. A variety of treatment strategies have been used to maximize dye deterioration process. Furthermore, because of its small size and high reactive nature, nanocomposites have attracted a lot of interest in the elimination of harmful dye pollution. In this present research work Methylene blue dye was selected for photocatalytic degradation using synthesized photocatalysts. In the presence of synthetic photocatalysts, we irradiated an aqueous solution of methylene blue dye with sunlight and UV radiation. This study compares photocatalytic methylene blue degradation in the presence of Poly (aniline-Co-Oaminophenol)/ ZnO nanocomposite and Polyazomethine/ZnO nanocomposites. The outcomes showed that Poly (aniline-Co-O-aminophenol)/ZnO nanocomposite has a higher photocatalytic productivity than Polyazomethine/ZnO nanocomposites.

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