Abat, M., McLaughlin, M. J., Kirby, J. K.and Stacey, S. P. (2012). Adsorption and desorption of copper and zinc in tropical peat soils of Sarawak, Malaysia. Geoderma, 175, 58-63.
Abdel-Satar, A. M. (2005). Quality of River Nile sediments from Idfo to Cairo. Egyptian Journal of Aquatic Research, 31(2), 182-199.
Adebowale, K. O., Unuabonah, I. E. and Olu-Owolabi, B. I. (2005). Adsorption of some heavy metal ions on sulfate-and phosphate-modified kaolin. Applied clay science, 29(2), 145-148.
Adebowale, K. O., Unuabonah, I. E. and Olu-Owolabi, B. I. (2006). The effect of some operating variables on the adsorption of lead and cadmium ions on kaolinite clay. Journal of hazardous materials, 134(1), 130-139.
Akpomie, K. G., Dawodu, F. A.and Adebowale, K. O. (2015). Mechanism on the sorption of heavy metals from binary-solution by a low cost montmorillonite and its desorption potential. Alexandria Engineering Journal, 54(3), 757-767.
Amer, M. W., Khalili, F. I.and Awwad, A. M. (2010). Adsorption of lead, zinc and cadmium ions on polyphosphate-modified kaolinite clay. Journal of environmental chemistry and ecotoxicology, 2(1), 001-008.
Baran, A., Tarnawski, M.and Michalec, B. (2015). Assessment of metal leachability and toxicity from sediment potentially stored on land. Water Sa, 41(5), 606-613.
Bhattacharyya, K. G.and Gupta, S. S. (2008). Adsorption of a few heavy metals on natural and modified kaolinite and montmorillonite: a review. Advances in colloid and interface science, 140(2), 114-131.
Carter, M. R.and Gregorich, E. G. (Eds.). (2007). Soil Sampling and Methods of Analysis. CRC Press.
Chaari, I., Medhioub, M.and Jamoussi, F. (2011). Use of clay to remove heavy metals from Jebel Chakir landfill leachate. Journal of Applied Sciences in Environmental Sanitation, 6(2), 143-148.
Dawodu, F. A., Akpomie, G. K.and Ejikeme, P. C. N. (2012). Equilibrium, thermodynamic and kinetic studies on the adsorption of lead (II) from solution by ‘‘Agbani Clay”. Res. J. Eng. Sci, 1(6), 9-17.
Eba, F.,Gueu, S., Eya’A-Mvongbote, A., Ondo, J. A., Yao, B. K., Nlo, J. N.and Biboutou, R. K. (2010). Evaluation of the absorption capacity of the natural clay from Bikougou (Gabon) to remove Mn (II) from aqueous solution. Int. J. Eng. Sci. Technol, 2(10), 5001-5016.
El-Kammar, A. M., Ali, B. H. and El-Badry, A. M. M. (2009). Environmental geochemistry of River Nile bottom sediments between Aswan and Isna, Upper Egypt. Journal of Applied Sciences Research,12 , 585-594.
Jamhour, R. M., Ababneh, T. S., Al-Rawashdeh, A. I., Al-Mazaideh, G. M., Al Shboul, T. M.and Jazzazi, T. M. (2016). Adsorption Isotherms and Kinetics of Ni (II) and Pb (II) Ions on New Layered Double Hydroxides-Nitrilotriacetate Composite in Aqueous Media. Advances in Analytical Chemistry, 6(1), 17-33.
Jelodar, A. H., Rad, H. A., Navaiynia, B.and Zazouli, M. A. (2012). Heavy metal ions adsorption by suspended particle and sediment of the Chalus River, Iran. African Journal of Biotechnology, 11(3), 628-634.
Jiang, M. Q., Jin, X. Y., Lu, X. Q.and Chen, Z. L. (2010). Adsorption of Pb (II), Cd (II), Ni (II) and Cu (II) onto natural kaolinite clay. Desalination, 252(1), 33-39.
Kaya, A.and Ören, A. H. (2005). Adsorption of zinc from aqueous solutions to bentonite. Journal of Hazardous Materials, 125(1), 183-189.
Khalfa, L., Bagane, M., Cervera, M. L.and Najjar, S. (2016). Competitive Adsorption of Heavy Metals onto Natural and Activated Clay: Equilibrium, Kinetics and Modeling. World Academy of Science, Engineering and Technology, International Journal of Environmental, Chemical, Ecological, Geological and Geophysical Engineering, 10(5), 551-557.
Lim, S. F.and Lee, A. Y. W. (2015). Kinetic study on removal of heavy metal ions from aqueous solution by using soil. Environmental Science and Pollution Research, 22(13), 10144-10158.
Lukman, S., Essa, M. H., Mu'azu, N. D., Bukhari, A.and Basheer, C. (2013). Adsorption and desorption of heavy metals onto natural clay material: influence of initial pH. Journal of Environmental Science and Technology, 6(1), 1-15.
McLean, J. E.and Bledsoe, B. E. (1996). Behavior of Metals in Soils1. EPA Environmental Assessment Sourcebook, 19.
Moalla, S. M. N., Soltan, M. E., Rashed, M. N.and Fawzy, E. M. (2006). Evaluation of dilute hydrochloric acid and acid ammonium oxalate as extractants for some heavy metals from Nile River sediments. Chemistry and Ecology, 22(4), 313-327.
Mohanty, K., Das, D.and Biswas, M. N. (2006). Preparation and characterization of activated carbons from Sterculia alata nutshell by chemical activation with zinc chloride to remove phenol from wastewater. Adsorption, 12(2), 119-132.
Nelson, D. W.and Sommers, L. (1982). Total carbon, organic carbon, and organic matter. Methods of soil analysis. Part 2. Chemical and microbiological properties, (methodsofsoilan2), 539-579.
Pansu, M.and Gautheyrou, J. (2007). Handbook of soil analysis: mineralogical, organic and inorganic methods. Springer Science & Business Media. 993 P
Riemam, W.and Walton, H. (1970). Ion Exchange in Analytical Chemistry, International Series of Monographs in Analytical Chemistry, Vol. 38. Pergamon Press, Oxford.
Sangiumsak, N.and Punrattanasin, P. (2014). Adsorption behavior of heavy metals on various soils. Pol. J. Environ. Stud, 23(3), 853.
Selim, H. M. (Ed.). (2015). Phosphate in Soils: Interaction with Micronutrients, Radionuclides and Heavy Metals (Vol. 2). CRC Press.
Szarek-Gwiazda, E. (2014). Potential effect of pH on the leaching of heavy metals from sediments of the Carpathian dam reservoirs. Geology, Geophysics and Environment, 40(4), 349-358.
Taamneh, Y.and Sharadqah, S. (2016). The removal of heavy metals from aqueous solution using natural Jordanian zeolite. Applied Water Science,8, 1-8.
Veli, S.andAlyüz, B. (2007). Adsorption of copper and zinc from aqueous solutions by using natural clay. Journal of hazardous materials, 149(1), 226-233.