Fe (II) Ions’ Adsorption Kinetics and Thermodynamics on Lagenaria siceraria Stem Nano Carbon

As severe a threat to the environment as global warming is heavy metal contamination. Nano carbon from Lagenaria siceraria Stem fiber has been used to examine the removal of Fe(II) ions from aqueous solution. It employs batch adsorption methods. We looked into the effects of contact time, initial adsorbent concentration, dose, and solution pH. The equilibrium adsorption data were connected with the Langmuir, Freundlich, Dubinin-Radushkevich, and Redlich-Peterson isotherm models. The adsorption procedure was advantageous, according to the isotherm analyses of RL values. The evaluation of thermodynamic parameters H0 , S0 , and G0 . The data show that the adsorption was endothermic in nature and spontaneous. Pseudosecond-order, Elovich model, and intra-particle diffusion models were used to investigate the kinetics of adsorption. A pseudo-second-order adsorption reaction is suggested by kinetic investigations. This work demonstrates that intra-particles were crucial to the mechanism governing the adsorption of Fe(II) ions. For the removal of Fe(II) ions from aqueous solution, the Activated Lagenaria siceraria Stem Nano Carbon has a high adsorption capacity and adsorption rate. Key words : Adsorption, Fe(II) ions, kinetics, Activated Lagenaria Si