Abstract
Nanostructured CuS catalyst with two different morphologies was prepared for degradation of methyl violet without light irradiation. The prepared catalysts were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Uv–visible spectroscopy. The effect of different conditions including: temperature, solution pH, H2O2 volume, catalyst dosage, dye concentration and presence of a salt on catalytic reaction rate and efficiency were investigated, as well. It was found that these catalysts can operate in mild conditions (room temperature and neutral pH) without light irradiation very well and also can be regenerated effectively by simple washing using water or ethanol.
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