Synthesis of Functionalized Biochar Hybrid Particles for Textile Wastewater Treatment

In this study, biochar was synthesized using Mustard Seed cake as raw biomass with the carbonization method. Biochar materials, namely, Mustard Seed cake biochar was prepared at 500 °C temperatures. This biochar was further modified with Conc. Nitric acid solution. The surface modified biochar was characterized using Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). The potential of synthesized adsorbent was evaluated for the elimination of methylene blue and malachite green dye from textile wastewater as a function of numerous provisions, namely, contact time, pH of solution, number of adsorbents, and initial concentrations of adsorbates. Various kinetic and isotherm models were examined to consider and explain the sorption mechanisms. Methylene Blue can be removed 97% of the time with functionalized biochar (0.03g/25 ml). Like that, 0.06g/25 ml of functionalized biochar may remove 95% of the maximal amount of Malachite Green. Surface Functionalized biochar showed high pollutant removal efficiency with maximum removal of % for MG and % for MB dye. Kinetic studies showed that the pseudo-second-order kinetic model showed better agreement with kinetic experimental data than other kinetic models. The linear Isotherm models showed that Freundlich, and Temkin isotherms are best fitted on the adsorption of Dyes with R2 =0.998. The results of this research showed that the synthesized adsorbents can be applied efficiently for various cycles to remove MG and MB from textile wastewater on pilot scale.