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izvor podataka: crosbi

The ground water ammonium sorption onto Croatian and Serbian clinoptilolite (CROSBI ID 160101)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šiljeg, Mario ; Foglar, Lucija ; Kukučka, Miroslav The ground water ammonium sorption onto Croatian and Serbian clinoptilolite // Journal of hazardous materials, 178 (2010), 1-3; 572-577. doi: 10.1016/j.jhazmat.2010.01.123

Podaci o odgovornosti

Šiljeg, Mario ; Foglar, Lucija ; Kukučka, Miroslav

engleski

The ground water ammonium sorption onto Croatian and Serbian clinoptilolite

The removal of ammonium from the Valpovo region ground water (VGW) with the use natural clinoptilolite samples from the Donje Jesenje deposit (Croatia) and the Zlatokop deposit in Vranjska Banja (Serbia) was studied. The natural Serbian (SZ) and Croatian zeolites (CZ) were transformed to the Na form (Na-CZ and Na- SZ) in order to increase the exchange capacity of zeolite. The CZ and SZ theoretic ammonium sorption capacities were 24.24 mg NH4+/g CZ and 32.55 mg NH4+/g SZ, respectively. The application of natural and Na-form of clinoptilolite for efficient removal of ammonium ions from VGW was further investigated. For that purpose, the four "filter guard" vessels filled with zeolite samples were in parallel in the ground water purification pilot plant. The complete ammonium removal, with the use of SZ and Na-SZ was achieved during 20 hours. After having observed saturation clinoptilolite, the samples were regenerated with the use of 2 mol/L NaCl, and reused for determination of ammonium sorption efficiency. The regenerated samples showed to be still very efficient for NH4+ removal and, in addition, the SZ was shown as superior for ammonium removal in comparison to the CZ.

ammonium ; clinoptilolite ; ground water ; ion exchange ; regeneration

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Podaci o izdanju

178 (1-3)

2010.

572-577

objavljeno

0304-3894

1873-3336

10.1016/j.jhazmat.2010.01.123

Povezanost rada

Interdisciplinarne tehničke znanosti, Kemijsko inženjerstvo, Temeljne tehničke znanosti

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