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Removal of copper and lead by clinoptilolite and clinoptilolite-iron system (CROSBI ID 566478)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Kragović, Milan ; Miličević, Sonja ; Daković, Aleksandra ; Perić, Jelena ; Trgo, Marina ; Vukojević Medvidović, Nediljka ; Ugrina, Marin ; Sekulić, Živko ; Nuić, Ivona Removal of copper and lead by clinoptilolite and clinoptilolite-iron system // Zeolite 2010 / O. Petrov, Y.K. Tzvetanova (ur.). Sofija: INZA, 2010. str. 149-150

Podaci o odgovornosti

Kragović, Milan ; Miličević, Sonja ; Daković, Aleksandra ; Perić, Jelena ; Trgo, Marina ; Vukojević Medvidović, Nediljka ; Ugrina, Marin ; Sekulić, Živko ; Nuić, Ivona

engleski

Removal of copper and lead by clinoptilolite and clinoptilolite-iron system

The increasing levels of toxic metals (copper, zinc, cadmium, lead, nickel, chromium, etc.) that are discharged to the environment as industrial wastes, represent a serious threat to human health, living resources and ecological systems. Due to their tendency to accumulate in living organisms, causing various diseases and disorders, the treatment methods for heavy metals removal are essential for environmental and human health protection (Šljivić et al. 2009). Among numerous methods for water purification, sorption technologies have gained the most attention because of low cost and easy operation. Natural materials, such as zeolites and clay minerals are the commonly used sorbents for heavy metals removal. Iron oxides are also active sorbents and play an important role in the reaction behavior of many ions in environmental sediments. Many researchers have tried to synthesize mixed systems of iron oxides and clay minerals or zeolites and they have proven that these systems were able to adsorb high concentrations of inorganic species. Recently, iron-overexchanged clinoptilolite (Clino-Fe) was tested for removal of Mn2+ ions from drinking water and in Cu2+ ions adsorption from KCl solutions at different pH values (Dimirkou and Doula, 2008). They reported that Clino-Fe system had much higher adsorption capacity for Mn^2+ and Cu^2+ ions than unmodified clinoptilolite. The objective of the current investigation was to synthesize the clinoptilolite-iron system under strongly basic conditions and to investigate if the new sorbent has higher sorption capacity for lead and copper than the unmodified clinoptilolite.

natural zeolite; lead; copper; iron modification

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Podaci o prilogu

149-150.

2010.

objavljeno

Podaci o matičnoj publikaciji

Zeolite 2010

O. Petrov, Y.K. Tzvetanova

Sofija: INZA

Podaci o skupu

8th International Conference on the Occurence, Properties and Utilization of Natural Zeolites

poster

10.07.2010-18.07.2010

Sofija, Bugarska

Povezanost rada

Kemijsko inženjerstvo