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The equilibrium properties of zinc, copper and lead immobilization on natural zeolite - the adsorption model approach


Trgo, Marina; Perić, Jelena; Vukojević-Medvidović, Nediljka
The equilibrium properties of zinc, copper and lead immobilization on natural zeolite - the adsorption model approach // 6th International Conference of the Occurrence, Properties and Utilization of Natural Zeolites : Abstracts / Misaelides, P. (ur.).
Tessaloniki: International Committee on Natural Zeolites, 2002. str. 355-356 (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
The equilibrium properties of zinc, copper and lead immobilization on natural zeolite - the adsorption model approach

Autori
Trgo, Marina ; Perić, Jelena ; Vukojević-Medvidović, Nediljka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
6th International Conference of the Occurrence, Properties and Utilization of Natural Zeolites : Abstracts / Misaelides, P. - Tessaloniki : International Committee on Natural Zeolites, 2002, 355-356

Skup
International Conference of the Occurrence, Properties and Utilization of Natural Zeolites (6 ; 2002)

Mjesto i datum
Tessaloniki, Grčka, 03.-07.06.2002

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Clinoptilolite; Zn; Pb; Cu; sorption isotherms

Sažetak
The uptake of zinc, copper, and lead from aqueous solutions of different initial concentrations on natural zeolitic tuff has been studied. The amount of exchangeable cations Na, K, Ca, and Mg in filtrates after equilibration indicates a nonstoichiometry in ion exchange process, due to the detachment of the aluminosilicate structure in the presence of H^+ and OH^- ions. The proposed adsorption isotherm equations, derived from basic empirical equations, aim to approach the adsorption model that fits the experimental results best.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo



POVEZANOST RADA


Projekt / tema
011007

Ustanove
Kemijsko-tehnološki fakultet, Split