Adsorption of pb2+ and cu2+ Ions from aqueous solutions on natural bentonite

• Autorzy: Melichova Z. , Hromada L.
• Języki publikacji: EN

Abstrakty

EN

The adsorptive properties of natural bentonite from Lieskovec (Slovakia) for the removal of Pb²⁺ and Cu²⁺ ions from aqueous solutions were studied in a batch adsorption system. It was found that the amount of adsorption of metal ion increased with the initial solution pH, metal ion concentration, and contact time, but decreased with the amount of adsorbent. The experimental data were analyzed by both the Freundlich and Langmuir isotherms. The maximum adsorption capacity of the adsorbent for Pb²⁺ and Cu²⁺ ions was calculated from the Langmuir isotherm and found to be 32.68 and 11.34 mg·g⁻¹, respectively. The kinetic adsorption experimental results were analyzed using pseudo-first order and pseudo-second order kinetic models. The adsorption kinetic was found to follow a pseudo-second order kinetic model.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2013
• Tom: 22
• Numer: 2
• Opis fizyczny: p.457-464,fig.,ref.

Twórcy

autor

Melichova Z.

• Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 97401 Banská Bystrica, Slovakia

autor

Hromada L.

• Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 97401 Banská Bystrica, Slovakia

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