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Adsorption of Crystal violet and Methylene blue Dyes using a Cellulose-based adsorbent from Sugercane bagasse: Characterization, kinetic and Isotherm studies

Author name : AbdElAziz Ahmed H Nayl
Publication Date : 2022-11-05
Journal Name : Journal of Materials Research and Technology

Abstract

Biodegradable cellulose based on sugarcane bagasse is produced using alkaline treatment followed by bleaching method for dye removal. FTIR, Raman, SEM, EDS, XRD, and N2 adsorption–desorption isotherm analysis were utilized to characterize the surface morphology and functional groups of the sugarcane bagasse (SCB) and treated sugarcane bagasse (TSCB). The TSCB was investigated to remove of Crystal violet (CV) and Methylene blue (MB). Different factors influence the adsorption processes such as contact time, adsorbent dose, dye concentration, temperature, pH, and NaCl dose were studied. The Langmuir model was investigated to study the adsorption equilibrium behavior of CV and MB dyes by TSCB. A maximum adsorption capacities (qmax) of 107.5 and 112.9 mgg−1 was calculated for CV and MB-dyes, respectively. Also, the adsorption processes are physiosorption with average energy values of E = 1.151 and 1.101 KJmol-1 for CV and MB-dyes, respectively. The kinetic data of the investigated processes were controlled by the pseudo-second order (PSO) model with qe,cal (mgg−1) values of 59.3 and 58.9 mgg−1 for CV and MB-dyes, respectively. Suggesting that chemical mechanisms may influence the removal of CV and MB dyes. Overall, TSCB was found to be an effective, environmentally friendly, and low-cost material to remove of cationic dyes in this research.

Keywords

AdsorbentSugarcane bagasseCationic dyesWater treatmentIsotherm models

Publication Link

https://doi.org/10.1016/j.jmrt.2022.06.045

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