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Removal of Cd(II) and Zn(II) from binary aqueous solutions onto natural zeolite by the column process


Nuić, Ivona; Trgo, Marina; Vukojević Medvidović, Nediljka; Ugrina, Marin
Removal of Cd(II) and Zn(II) from binary aqueous solutions onto natural zeolite by the column process // Proceedings of the IWA 8 th Eastern European Young Water Professionals Conference / Feierabend, M ; Drewnowski, J. ; Wójtowicz, P. (ur.).
Wrocław: Oficyna Wydawnicza Politechniki Wrocławskiej, 2016. str. 568-573 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Removal of Cd(II) and Zn(II) from binary aqueous solutions onto natural zeolite by the column process

Autori
Nuić, Ivona ; Trgo, Marina ; Vukojević Medvidović, Nediljka ; Ugrina, Marin

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the IWA 8 th Eastern European Young Water Professionals Conference / Feierabend, M ; Drewnowski, J. ; Wójtowicz, P. - Wrocław : Oficyna Wydawnicza Politechniki Wrocławskiej, 2016, 568-573

Skup
Leaving the Ivory Tower Bridging the Gap between Academia, Industry

Mjesto i datum
Gdanjsk, Poljska, 11 - 14.05.2016

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Binary solution; cadmium; zinc; natural zeolite; column process

Sažetak
The uptake of cadmium and zinc ions from binary aqueous solutions with different Cd/Zn concentration ratios onto the fixed bed of natural zeolite clinoptilolite has been examined. Up to the breakthrough point, Cd and Zn ions bind simultaneously. After breakthrough, the complete overlapping in the total (Cd+Zn) concentration has been observed for Cd/Zn ratios of 0.14 and 1.07, while for Cd/Zn = 1.93 overshooting has been achieved. Although Cd and Zn have similar values of the hydrated ionic radius, electronegativity and energy of hydration, the displacement effect has taken place. The monitoring of pH values enables fast and reliable indication of the breakthrough point and the end of regeneration.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo



POVEZANOST RADA


Projekt / tema
HRZZ-IP-2013-11-4981 - Prirodni zeoliti kao reaktivne barijere za obradu procjednih otpadnih voda odlagališta otpada (Marina Trgo, )

Ustanove
Kemijsko-tehnološki fakultet, Split