Abstract
Toxic dye effluents from textile wastewater can cause hazardous effects on human health. Hence, the removal of these effluents is crucial. In this study, a novel MoS2@bentonite magnetic nanocomposite (M-MoS2@bentoniteNC) was synthesized using a new, simple, and one-step process to remove crystal violet (CV). The samples of the M-MoS2@bentoniteNC were characterized using field emission scanning electron microscopy, elemental mapping with energy-dispersive X-ray analysis, transmission electron microscopy, selected area diffraction, Fourier transform infra-red spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, Barrett-Joyner-Halenda and Brunauere-Emmette-Teller surface area analysis, thermogravimetric analysis, and vibrating-sample magnetometry techniques. The synthetic M-MoS2@bentoniteNC exhibited a sufficiently large Langmuir maximum adsorption capacity towards CV (384.61 mg g−1) and remarkable reusability (92.55 % CV removal in the third adsorption–desorption cycle). The adsorption isotherm results were best fitted using the Freundlich model, which refers to multilayer adsorption of CV onto the M-MoS2@bentoniteNC.
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