Performance of Nitrogen and Phosphorus Removal of Moving Bed Biofilm Reactor Operated as Sequencing Batch

Year 2017, Volume: 2 Issue: 1, 108 - 113, 25.02.2017

Muslun Sara Tunc

Abstract

In this
study, nitrogen and phosphorus removal from municipal wastewater in moving bed
biofilm reactor operated as sequencing batch was investigated. Kaldnes (K1)
material as biofilm carrier media was used in the study. Operation consisted of
anaerobic/aerobic/anoxic/aerobic phases with hydraulic residence times of 120
min/330 min/210 min/50 min. In the moving bed biofilm reactor with the filling
ratio of 50% operated as sequencing batch, average effluent chemical oxygen
demand (COD), ammonium-nitrogen (NH₄-N), nitrite-nitrogen (NO₂-N),
nitrate-nitrogen (NO₃-N) and phosphate-phosphorus (PO₄-P)
values after the cycle duration of 12 h were determined to be 27 mg/L, 0.7
mg/L, 0.04 mg/L, 0.6 mg/L and 0.7 mg/L, respectively. The average COD, NH₄-N
and PO₄-P removal efficiencies were obtained as 92%, 97.5% and
91.3%, respectively.

Keywords

Moving bed biofilm reactor, Nitrogen removal, Phosphorus removal, Sequencing batch biofilm reactor

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