Equilibrium, Thermodynamic and Kinetic Studies of the Adsorption of Lead(II) on Ni/Fe Layered Double Hydroxide
Keywords:
Thermodynamics, Kinetics Layered double hydroxide, Freundlich Isotherm, Langmuir IsothermAbstract
Ni/Fe-CO3 layered double hydroxide of ratio 3:1 was synthesis by co-precipitation method for the adsorption of lead ions in aqueous solution. The synthesized layered double hydroxide (Ni/Fe-CO3) was then characterized by Powder X-ray Diffraction (PXRD), Fourier Transform Infrared (FT-IR) and  SEM/EDX analysis. The experimental data fitted both Langmuir and Freundlich isotherms with regression correlation coefficient values of 0.9993 and 0.9998 respectively. The essential thermodynamic parameters of DHo, DSo, DHx and Ea were calculated to be -5.0496KJ/mol, 15.2J/molK, 12.6KJ/mol and -0.89KJ/mol respectively, thus showing the exothermic nature of the process and the randomness of the system. The low activation energy (Ea) value is consistent with physical adsorption. The isosteric heat of adsorption DHx was calculated to be 12.6KJ/mol. The results also fitted pseudo-second order model (R2=1).
References
Davis, T.A., B. Volesky and R.H.S.F. Vieira, Sar- gassum seaweed as biosorbent for heavy metals. Water Res., 34(17), 4270-4278 (2000).
Yu, Q., J.T. Matheickal, P. Yin and P. Kaewsarn, Heavy metal uptake capacities of common marine macro algal biomass. Water Res., 33(6), 1534- 1537 (1999).
Lodeiro, P., J.L. Barriada, R. Herrero and M.E. Sastre de Vicente, The marine macroalga Cystoseira baccata as biosorbent for cadmium(II) and lead(II) removal: Kinetic and equilibrium studies. Environ. Pollut., 142(2), 264-273 (2006).
Kaewsarn, P. and Q. Yu, Cadmium(II) removal from aqueous solutions by pre-treated biomass of marine alga Padina sp. Environ. Pollut., 112(2), 209-213 (2001).
Boyacioglu, H., Development of a water quality index based on a European scheme. Water SA, 33(1), 101-106 (2007).
Lo, W., H. Chua, K.H. Lam and S.P. Bi, A com- parative investigation on the biosorption of lead by filamentous fungal biomass. Chemosphere, 39(15), 2723-2736 (1999).
Ahmedna, M., W.E. Marshall, A.A. Husseiny, R.M. Rao and I. Goktepe, The use of nutshell car- bons in drinking water filters for removal of trace metals. Water Res., 38(4), 1062-1068 (2004).
Volesky, B., 1990a. Removal and recovery of Heavy Metals by biosorption. In: Volesky B. (ed)., Biosorption of heavy metals. CRC press Inc., Boca Raton, Fl, pp. 7-44.
Özer, A. and D. Özer, Comparative study of the biosorption of Pb(II), Ni(II) and Cr(VI) ions onto S. cerevisiae: Determination of biosorption heats. J. Hazard. Mater., 100(1-3), 219-229 (2003).
Holan, Z.R., B. Volesky and I. Prasetyo, Biosorption of cadmium by biomass of marine algae. Biotechnol. Bioeng., 41(8), 819-825 (1993).
El-Sikaily, A., A. El Nemr, A. Khaled and O. Abdelwehab, Removal of toxic chromium from wastewater using green alga Ulva lactuca and its activated carbon. J. Hazard. Mater., 148(1-2), 216- 228 (2007).
P. S. Braterman, Z. P. Xu, F. Yarberry. In Handbook of Layered Materials, S. M. Auerbach, K. A. Carrado, P. K. Dutta (Eds.), pp. 373–474, Marcel Dekker, New York (2004).
V. Rives (Ed.). Layered Double Hydroxides: Present and Future, Nova Science Publishers, New York (2001).
F. Cavani, F. Trifiro, A. Vaccari, Hydrotalcite-type anionic clays: preparation, properties and applications, Catal. Today 11 (1991) 173-301
I.S. Okure, P.C. Okafor, U.J. Ibok, adsorption of Cu2+, As3+ and Cd2+ ions from aqueous solution by eggshell Glob. J. Pure Appl. Sci. 16(4) (2010) 407.
Badmus, M.A.O., Audu, T. O. K. and Anyata, B. (2007). “Removal of Copper from Industrial Wastewaters by Activated Carbon Prepared from Periwinkle Shellsâ€, Korean J. Chem. Eng. 24, pp. 105â€113.
A. Israel, R. Ogali, O. Akaranta, I.B. Obot (2010), Removal of Cu2+ from aqueous solution using coconut (Cocos nucifera L.) coir dust, Dar Pharma chemica, 2 (5): 60-75.
Ahmad R., Kumar,Haseeb S. (2010)Adsorption of Cu2+ from queous solutionon to iron oxide coated eggshell powder: evaluation of equilibrium, istherms, kinetics, and regeneration capacity. Arab J Chem.
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