LAUSR

The recycling of waste materials for production of innovative materials is considered as an interesting point of research and urged the scientists to deal with. This study focuses on the preparation of activated carbon (AC) from sugarcane bagasse waste material. Also, AC/magnetite nanocomposite was prepared by chemical precipitation of magnetite on the prepared AC. The synthesized AC and AC/magnetite were utilized as adsorbents for removal of crystal violet basic dye (CV) from wastewater. The prepared AC and AC/magnetite were investigated by surface area analyzer, X-ray diffraction, Fourier transform infrared spectroscopy (FT-IR), and Raman spectroscopy. To investigate the adsorption of CV by synthesized AC and AC/magnetite, batch adsorption process was conducted with varying different parameters as pH, contact time, and the dose of adsorbents. The equilibrium isotherm was examined by Langmuir and Freundlich models. Moreover, the adsorption kinetic was explored using pseudo-first-order and pseudo-second-order models. The results showed that the AC and AC/magnetite nanocomposite were successfully prepared by the proposed methods. AC/magnetite composite exhibited higher removal percentage (95.6%) for CV from wastewater than AC alone (92%) and the adsorption process proceeded by Freundlich isotherm. The obtained adsorption kinetic data indicated that the process fitted with pseudo-second-order model. The findings of this study recommend that AC and AC/magnetite nanocomposite could be used successfully for the removal of CV from wastewater.