2020•Eesti Maaülikool. EMU DspaceOpen access

Comparison of phosphorus removal efficiency of conventional activated sludge system and sequencing batch reactors in a wastewater treatment plant

V.S. Denisova, Kristīna Tihomirova, J. B. Neilands, Kamila Gruškeviča, Linda Mežule, Tālis Juhna

Abstract

The aim of this study was to evaluate the effectiveness application of sequencing batch reactors (SBRs) for phosphorus removal compared to the conventional activated sludge (CAS) treatment system. The results showed that the removal efficiency of phosphorus reached about 99% at wastewater treatment plant with CAS system. At the same time, the maximum phosphorus removal efficiency can be achieved to 88% if the SBRs system operating parameters are optimized. Finally, this study demonstrated that even if granules are not fully developed, the SBR system is working with a good efficiency.

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Available abstract

Key concepts: Sequencing batch reactor, Phosphorus, Environmental science, Activated sludge, Wastewater, Waste management, Enhanced biological phosphorus removal, Sewage treatment