Kinetic studies on sorption of Ni(II) and Cd(II) from chloride solutions using selected acidic cation exchangers
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Czestochowa University of Technology
Publication date: 2013-01-01
Corresponding author
Paulina Otrembska
Czestochowa University of Technology, Department of Chemistry, 19 Armii Krajowej Str., 42-200 Czestochowa, Poland
Czestochowa University of Technology, Department of Chemistry, 19 Armii Krajowej Str., 42-200 Czestochowa, Poland
Physicochem. Probl. Miner. Process. 2013;49(1):301-312
KEYWORDS
ABSTRACT
Sorption of nickel(II) and cadmium(II) ions from chloride solutions was tested. Three different strongly acidic cation exchangers, i.e. Lewatit MonoPlus SP 112, Amberlite 200C and Amberlyst 15, were used. Effects of phase contact time, pH and initial concentration of metal ions on equilibrium and kinetics of sorption by batch methods were studied. It was showed that sorption of Ni(II) and Cd(II) could be described by the pseudo-second order equation. Experimental results data were analyzed using the Langmuir and Freundlich isotherms. Sorption of Ni(II) and Cd(II) onto investigated resins followed the Langmuir isotherm.
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