期刊
PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING
卷 49, 期 1, 页码 301-312出版社
OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ
DOI: 10.5277/ppmp130127
关键词
sorption; nickel; cadmium; adsorption kinetics; adsorption isotherm
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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