Some features of Pd(II) and Cu(II) adsorption on bentonites

Copper(II) and palladium(II) adsorption from single-component, Cu(NO3)2 or K2PdCl4, and two-component Cu(NO3)2-K2PdCl4 aqueous solutions by bentonites provided by two different Ukrainian deposits was investigated in this study. As was found, types of the obtained adsorption isotherms depended on the...

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Bibliographic Details
Published in:Adsorption science & technology 2017-06, Vol.35 (5-6), p.482-489
Main Authors: Rakitskaya, Tatyana L, Vasylechko, Volodymyr O, Kiose, Tatiana A, Dzhyga, Ganna M, Gryshchouk, Galyna V, Volkova, Vitaliya Y
Format: Article
Language:English
Subjects:
Adsorption
Aqueous solutions
Bentonite
Copper
Copper compounds
Isotherms
Metal ions
Palladium
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Summary:Copper(II) and palladium(II) adsorption from single-component, Cu(NO3)2 or K2PdCl4, and two-component Cu(NO3)2-K2PdCl4 aqueous solutions by bentonites provided by two different Ukrainian deposits was investigated in this study. As was found, types of the obtained adsorption isotherms depended on the bentonite origin, the nature of the adsorbed metal ion and the component quantity in the aqueous solutions under study. The most complicated adsorption isotherms were obtained for Pd(II) adsorption from the single-component Pd(II) and two-component Pd(II)-Cu(II) solutions. The adsorption of each metal ion decreased in the presence of the second one being evidence of competitive adsorption and confirming the nonhomogenity of adsorption sites.
ISSN:0263-6174
2048-4038
DOI:10.1177/0263617417697713