Facile Synthesis of New CuS/Activated Kaolinite Composite for Photo-Fenton Degradation of Textile Dyes
Abstract
In this study, we successfully synthesized a CuS/Activated Kaolinite composite using a cost-effective co-precipitation method. In FTIR analysis, the appearance of vibration bands at 1107 cm-1, 1017 cm-1, and 803 cm-1 confirmed the presence of SO42-, Si-O, and Al (IV) functional groups in the composite. UV-visible spectroscopy demonstrated that the synthesized composite exhibited high degradation efficiency, achieving 98.1 % degradation of cationic dye (crystal violet) and 90.2 % degradation of anionic dye (methyl orange) within one hour through a Photo-Fenton reaction. The kinetic study revealed that the rate of degradation followed pseudo-first order (R2 > 0,95) and the prepared catalyst could degrade 0.030 ppm and 0.01 ppm of crystal violet and methyl orange in one minute, respectively. Given its outstanding activity, the catalyst can be used for treating textile wastewater on the commercial level, especially when dealing with various types of dyes.
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