Abstract
A study on the adsorption characteristic of Iron onto Poly[eugenol-co-(divinyl benzene)] (EDVB) from aqueous solution has been conducted. EDVB was produced and characterized by using FTIR spectroscopy. The adsorption was studied by a batch method by considering the factors affecting the adsorption such as initial metal ion concentration, adsorption selectivity, and mechanism of adsorption using a sequential desorption method. The adsorption of Iron onto EDVB followed a pseudo-2 order kinetics model with the rate constant of 0,144 L2 mmol-1 min-1. The adsorption isotherm was studied with Tempkin, Langmuir and Freundlich models. The adsorption capacity (Qmax) obtained by Langmuir isotherms was 250mg.L-1 while the equilibrium value was 0.8 Lmg-1. A competitive adsorption study showed that EDVB is adsorbed selectively towards Iron rather than Chromium, Coppers and Cadmium ions. The interaction type of Iron onto EDVB was determined by a sequential desorption.
Highlights
The contamination of heavy metals in water as one of industrial wastes containing some toxic properties in environment is deemed as a serious problem; it must be removed from environment [1,2,3]
It was found that HCl had the greatest percentage at 31,32%, followed by Na2EDTA at 1,84%. These results indicated that the bonding occurred between the iron onto EDVB was hydrogen bonding
The potential of EDVB has been assessed for the adsorption of iron
Summary
The contamination of heavy metals in water as one of industrial wastes containing some toxic properties in environment is deemed as a serious problem; it must be removed from environment [1,2,3]. The recovery of heavy metals can be done by various methods such as chemical precipitation, ion exchange, electrochemistry removal, membrane separation, and adsorption. The synthesis of polymer-eugenol and the some application in metal ion adsorption and membrane transport has been done by Ref. EDVB as the modified eugenol polymer which has an additional active group –OH and -OCH3 attached to the benzene allows it to bind more cations, so it would be expected that EDVB may be used as an adsorbent of metal cations, especially Iron
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