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Removal of Zn(II), Cd(II) and Cu(II) Ions from Aqueous Solution by Nano-Structured Kaolinite
Corresponding Author(s) : Akl M. Awwad
Asian Journal of Chemistry,
Vol. 29 No. 5 (2017): Vol 29 Issue 5
Abstract
The adsorption of Zn(II), Cu(II) and Cd(II) ions from aqueous solution onto nano-structured kaolinite (NSK) has been investigated. In this study, the effects of adsorbent dose, solution pH, initial metal concentration, contact time and temperature were determined. Thermodynamic parameters, the negative values of DG° revealed that the adsorption process was spontaneous and endothermic. The Langmuir and Freundlich isotherm models were employed to fit the isothermal adsorption. The monolayer adsorption capacity of Zn(II), Cu(II) and Cd(II) ions was 52.63, 45.87 and 41.32 mg/g, respectively. The results of this study showed that nano-structured kaolinite can be efficiently used as a low-cost alternative for the removal of Zn(II), Cu(II) and Cd(II) ions from aqueous solutions.
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M. Helen Kalavathy and L.R. Miranda, Chem. Eng. J., 158, 188 (2010); https://doi.org/10.1016/j.cej.2009.12.039.
M. Al-Shannag, Z. Al-Qodah, K. Bani-Melhem, M.R. Qtaishat and M. Alkasrawi, Chem. Eng. J., 260, 749 (2015); https://doi.org/10.1016/j.cej.2014.09.035.
O. Abdelwahab, N.K. Amin and E.-S.Z. El-Ashtoukhy, Chem. Eng. Res. Des., 91, 165 (2013); https://doi.org/10.1016/j.cherd.2012.07.005.
T. Mahmood, M.T. Saddique, A. Naeem, S. Mustafa, J. Hussain and B. Dilara, J. Non-Cryst. Solids, 357, 1016 (2011); https://doi.org/10.1016/j.jnoncrysol.2010.11.044.
M. Mhamdi, E. Elaloui and M. Trabelsi-Ayadi, Ind. Crops Prod., 47, 204 (2010); https://doi.org/10.1016/j.indcrop.2013.03.003.
L. Monser and N. Adhoum, Sep. Purif. Technol., 26, 137 (2002); https://doi.org/10.1016/S1383-5866(01)00155-1.
G.N. Kounou, J.N. Nsami, D.P.B. Belibi, D. Kouotou, G.M. Tagne, D.D.D. Joh and J.K. Mbadcam, Der Pharma Chemica, 7, 51 (2015).
A.T. Sdiri, T. Higashi and F. Jamoussi, Int. J. Environ. Sci. Technol., 11, 1081 (2014); https://doi.org/10.1007/s13762-013-0305-1.
B. Meroufel, O. Benali, M. Benyahia, M.A. Zenasni, A. Merlin and B. George, J. Water Resource Prot., 5, 669 (2013); https://doi.org/10.4236/jwarp.2013.57067.
N.N. Joseph, E. Francois, N. Daniel, B.S. Didier and O.J. Aubin, Afr. J. Environ. Sci. Technol., 7, 1001 (2013).
S. Lukman, M.H. Essa, N. D. Mu’azu, A. Bukhari and C. Basheer, J. Environ. Sci. Technol., 6, 1 (2013); https://doi.org/10.3923/jest.2013.1.15.
M. Jiang, X.-Y. Jin, X.-Q. Lu and Z.-L. Chen, Desalination, 252, 33 (2010); https://doi.org/10.1016/j.desal.2009.11.005.
F. Arias and T.K. Sen, Colloids Surf. A Physicochem. Eng. Asp., 348, 100 (2009); https://doi.org/10.1016/j.colsurfa.2009.06.036.
C. Üzüm, T. Shahwan, A.E. Eroglu, K.R. Hallam, T.B. Scott and I. Lieberwirth, Appl. Clay Sci., 43, 172 (2009); https://doi.org/10.1016/j.clay.2008.07.030.
H. Omri and N.H. Batis, Chem. Sci. Transac., 2, 357 (2013); https://doi.org/10.7598/cst2013.285.
C. Quintelas, Z. Rocha, B. Silva, B. Fonseca, H. Figueiredo and T. Tavares, Chem. Eng. J., 149, 319 (2009); https://doi.org/10.1016/j.cej.2008.11.025.
M.W. Amer, F.I. Khalili and A.M. Awwad, J. Environ. Chem. Ecotoxicol., 2, 1 (2010).
L. Qin, L. Yan, J. Chen, T. Liu, H. Yu and B. Du, Ind. Eng. Chem. Res., 55, 7344 (2016); https://doi.org/10.1021/acs.iecr.6b00657.
M. Matlok, R. Petrus and J.K. Warchol, Ind. Eng. Chem. Res., 54, 6975 (2015); https://doi.org/10.1021/acs.iecr.5b00880.
B.D. Cullity, The Elements of X-Ray Diffraction, Addison-Wesley, Reading (1978).
B. Tural, S. Betül Sopaci, N. Özkan, A.S. Demir and M. Volkan, J. Phys. Chem. Solids, 72, 968 (2011); https://doi.org/10.1016/j.jpcs.2011.05.010.
H. Freundlich and W. Heller, J. Am. Chem. Soc., 61, 2228 (1939); https://doi.org/10.1021/ja01877a071.
I. Langmuir, J. Am. Chem. Soc., 40, 1361 (1918); https://doi.org/10.1021/ja02242a004.
G.K. Akpomie, M.A. Abuh, N.D. Obi, E.C. Nwafor, P.O. Ekere and I.M. Onyiah, Int. J. Basic Appl. Sci., 2, 173 (2013).