Efficiency of Subsurface Flow Constructed Wetland with Trickling Filter (CROSBI ID 174779)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Anić Vučinić, Aleksandra ; Tepeš, Predrag ; Hrenović, Jasna
engleski
Efficiency of Subsurface Flow Constructed Wetland with Trickling Filter
Effective wastewater purification in subsurface flow constructed wetland must include adequate pre-treatment and ensure sufficient amount of dissolved oxygen. In the pilot scale, the subsurface flow constructed wetland (CW) consisted of the primary settlement tank, trickling filter for pre-treatment and two serially assembled basins. The trickling filter was added to ensure sufficient aeration, increase purification of the wastewater and to shorten the wastewater purification time. The estimated nominal flow was 0.7 m3/day. The experiments were conducted using the wastewater from the municipal sewage canal of the city of Zagreb, with utilization of three different flows: 0.72 (A), 1.44 (B) and 2.88 (C) m3/day. The efficiency of the purification influence was monitored over a period of three years (TSS, BOD5, COD, NH4-N, NO2-N, PO4-P, dissolved oxygen, temperature and pH). The experimental results showed the increase of the efficiency removal doubling the nominal flow from 0.7 to 1.44 m3/day, which could be related to the implementation of the trickling filter where high removal rates were achieved.
subsurface flow ; constructed wetland ; trickling filter ; wastewater purification
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Podaci o izdanju
Povezanost rada
Interdisciplinarne tehničke znanosti, Temeljne tehničke znanosti