Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration+ nitrification sequence batch reactor (pre-A

2018, Volume 12, Issue 5

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Frontiers of Environmental Science & Engineering >> 2018, Volume 12, Issue 5 doi: 10.1007/s11783-018-1084-1

Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration+ nitrification sequence batch reactor (pre-A

¹. National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, China
². School of Marine Science and Technology, Sino-Europe Membrane Technology Research Institute, Harbin Institute of Technology, Weihai 264209, China

Available online: 2018-09-28

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Abstract

A novel two sludge pre-A₂NSBR system was developed.

Advanced N and P removal was optimized to treat real domestic wastewater.

Nitrifiers and PAOs were enriched with 19.41% and 26.48%, respectively.

Acetate was demonstrated as the high-quality carbon source type.

Keywords

Denitrifying phosphorus removal ; C/N ratio ; Nitrate recycling ; Carbon source type ; Biological nutrient removal ; Pre-A₂NSBR system

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