Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/646
Title: Influence of biological filtration media on the ammonium removal rates from groundwater sources
Authors: Patroescu, Viorel Ion
Jinescu, Gherghita
Cosma, Cristiana
Dinu, Laurentiu Razvan
Bumbac, Costel
Keywords: Groundwater;Ammonium nitrogen;Biological aerated filter;Filter media;Hydrodynamic configuration
Issue Date: 2015
Publisher: University Politehnica of Bucharest
Abstract: 
The paper investigates the influence of the filter media (Leca, Kaldnes) and hydrodynamic configuration (Kaldnes, aeration within the filter media; Kaldnes, pre-aeration of influent and effluent recycle) on the removal performances of ammonium nitrogen (NH4+ -N) from groundwater sources in biological aerated
filters. The results showed that the volumetric removal rates of NH4+ -N were higher for the Leca media (97-261 kg N/m3/day) than for Kaldnes media (30-135 kg N/m3/day), and also for the biofilter with pre-aeration (30-135 kg N/m3/day) than for the aeration within the filter media (13-66 kg N/m3/ day).
Description: 
U.P.B. Scientific Bulletin, Series B. Chemistry and Materials Science Volume 77 Issue 4
URI: http://hdl.handle.net/123456789/646
ISSN: 1454-2331
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