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Treatment of a landfill leachate containing pharmaceutical compounds by nanofiltration and activated carbon adsorption (CROSBI ID 501761)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Mijatović, Ivan ; Ahel, Marijan ; Ahel, Tvrtko ; Matošić, Marin ; Mihaljević, Bojan Treatment of a landfill leachate containing pharmaceutical compounds by nanofiltration and activated carbon adsorption // Proceedings of IWA Specialized Conference on Water Environment-Membrane Technology 2004. Seoul: International Water Association Publications (IWA), 2004. str. 359-365-x

Podaci o odgovornosti

Mijatović, Ivan ; Ahel, Marijan ; Ahel, Tvrtko ; Matošić, Marin ; Mihaljević, Bojan

engleski

Treatment of a landfill leachate containing pharmaceutical compounds by nanofiltration and activated carbon adsorption

Landfill leachate, collected from the retention basin at the main landfill of the city of Zagreb, was treated using a pilot-scale membrane filtration unit, consisting of ultrafitration and nanofiltration modules. Alternatively, the elimination of organic load was examined using laboratory-scale activated carbon columns. Common water contaminants, such as major cations and anions, chemical oxygen demand (COD) and total organic carbon (TOC), were determined using standard methods, while the identification and quantitative determination of pharmaceutical compounds was performed using gas chromatography &#8211; mass spectrometry. Ultrafiltration revealed that 90 % of the organic load of the landfill leachate belonged to the fraction smaller than 10 kDa, while the contribution of pharmaceutical compounds to the total organic carbon was 1-5 %. High removal rates were obtained for the organic load (COD and TOC) both using nanofiltration membranes (85-98 %) and activated carbon adsorption (70-85 %), however, the adsorption capacity of activated carbon was rather small. The removal of pharmaceutical compounds (M.W. from 200 to 300 Da), by nanofiltration was fairly efficient (>90 %). The rejection rates for conductivity and total dissolved solids were much lower (<60 %), which indicated that an additional treatment by reversed osmosis was necessary to eliminate inorganic contaminants more efficiently.

activated carbon; landfill leachate; nanofiltration; organic matter; pharmaceutical chemicals

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Podaci o prilogu

359-365-x.

2004.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of IWA Specialized Conference on Water Environment-Membrane Technology 2004

Seoul: International Water Association Publications (IWA)

Podaci o skupu

IWA Specialized Conference on Water Environment-Membrane Technology 2004

poster

07.06.2004-10.06.2004

Seoul, Republika Koreja

Povezanost rada

Geologija, Kemijsko inženjerstvo