Removal of Indigo Carmine Dye by Using Palm Wood Cellulose Activated Carbon in Aqueous Solution: A Kinetic and Equilibrium Study
P.B. Wagh* , V.S. Shrivastava *
Department of chemistry JESs Arts Commerce and Science college Nandurbar 425412 (India)
Nano Chemistry Research Laboratory, G.T.P. College, Nandurbar -425412 (India).
Abstract: Mechanism of Indigo carmine dye adsorption on palm wood cellulose activated carbon (PWCAC) was studied. The use of low cost ecofriendly adsorbent has been investigated as an ideal alternative to the current expensive methods of removing dye from aqueous solution. The study is done by batch adsorption techniques. The quantitative adsorption kinetic and equilibrium parameter for indigo carmine dye were studied using uv-visible adsorption spectroscopy. The effect of initial dye concentration ,pH, adsorbent dose, temp The kinetics and erature ,particle size were determine to find the optimal condition for adsorption. The percentage removal of dye was found to be most effective at pH7 and contact time 140 min and at an adsorbent dose 4.8 gm/lit of dye. The study indicates that’s, the percentage removal of dye increases with increasing initial dye concentration, adsorption dose and contact time and attains equilibrium at optimum conditions.
The mechanism of adsorption of indigo carmine dye on to palm wood cellulose activated carbon was investigated using pseudo first order and pseudo second order kinetics models .The adsorption kinetics was found to follow pseudo first order kinetic model. The equilibrium adsorption data of indigo carmine dye on PWCAC were analyzed by Langmuir and Freundlich adsorption model. The result shows that the Langmuir model provides the best correlation.
The adsorbent was also characterized by FTIR, EDAX SEM and XRD studies. The results indicates that the PWCAC could be employed as low cost alternative for the removal of dye indigo carmine from aqueous solution.see more
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