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Effect of Competing Cations (Cu, Zn, Mn, Pb) Adsorbed by Zeolite Bearing Tuff from Macedonia


Affiliations
1 Goce Delcev University, Stip, Macedonia, the former Yugoslav Republic of
 

Zeolite bearing tuff (stilbite 27%) from Vetunica deposit, Republic of Macedonia was investigated as an adsorbent for removal of copper, zinc, manganese and lead ions from synthetic aqueous solutions. The aim of this study was to investigate the influence of the presence of competing cations on the individual adsorption of Cu2+, Pb2+, Zn2+ and Mn2+ from a solution containing a mixture of all these metal ions, by zeolite bearing tuff. The obtained results show that the adsorption of studied ions in single and multi-component solution onto zeolite bearing tuff occurs efficiently. The amount adsorbed from multicomponent solutions was affected significantly, except for Pb2+ where the difference between single and multi-component solution is minimal, almost insignificant. The selectivity of zeolite bearing tuff was also determined for the respective heavy metal ions. The selectivity series obtained for single and multi-component solution was: Pb2+ > Cu2+ > Zn2+ > Mn2+.

Keywords

Heavy Metals, Zeolite Bearing Tuff, Stilbite, Competing Cation, Selectivity Series.
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  • Effect of Competing Cations (Cu, Zn, Mn, Pb) Adsorbed by Zeolite Bearing Tuff from Macedonia

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Authors

Afrodita Zendelska
Goce Delcev University, Stip, Macedonia, the former Yugoslav Republic of
Mirjana Golomeova
Goce Delcev University, Stip, Macedonia, the former Yugoslav Republic of
Blagoj Golomeov
Goce Delcev University, Stip, Macedonia, the former Yugoslav Republic of
Boris Krstev
Goce Delcev University, Stip, Macedonia, the former Yugoslav Republic of

Abstract


Zeolite bearing tuff (stilbite 27%) from Vetunica deposit, Republic of Macedonia was investigated as an adsorbent for removal of copper, zinc, manganese and lead ions from synthetic aqueous solutions. The aim of this study was to investigate the influence of the presence of competing cations on the individual adsorption of Cu2+, Pb2+, Zn2+ and Mn2+ from a solution containing a mixture of all these metal ions, by zeolite bearing tuff. The obtained results show that the adsorption of studied ions in single and multi-component solution onto zeolite bearing tuff occurs efficiently. The amount adsorbed from multicomponent solutions was affected significantly, except for Pb2+ where the difference between single and multi-component solution is minimal, almost insignificant. The selectivity of zeolite bearing tuff was also determined for the respective heavy metal ions. The selectivity series obtained for single and multi-component solution was: Pb2+ > Cu2+ > Zn2+ > Mn2+.

Keywords


Heavy Metals, Zeolite Bearing Tuff, Stilbite, Competing Cation, Selectivity Series.

References