Abstract—The effect of cadmium speciation on cadmium adsorption onto Hexadethyl-trimethyl ammonium (HDTMA) modified montmorillonite was investigated experimentally and using Minteqa2 geochemical speciation model. The results revealed that the increase in cadmium uptake at higher pH values is selective and directly related to the nature of species present and that this increase does not affect the form of cadmium species adsorbed onto the HDTMA modified montmorillonite.
Index Terms—Adsorption, cadmium removal, cadmium speciation.
Mohamed Elmuntasir Ibrahim Ahmed is with the Kuwait Institute for Scientific Research, Kuwait (e-mail: miahmed@kisr.edu.kw).
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Cite: Mohamed Elmuntasir Ibrahim Ahmed, "Selective Adsorption of Cadmium Species onto Organic Clay Using Experimental and Geochemical Speciation Modeling Data," International Journal of Engineering and Technology vol. 8, no. 2, pp. 128-131, 2016.
