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2012•Journal of Hebei Normal UniversityRequires access

Research on Treatment of Domestic Sewage with ABR Reactor-vertical Subsurface Flow Constructed Wetland

Yonglin Wang

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Abstract

The combined process that anaerobic baffled reactor and subsurface flow constructed wetland(ABR-SSFW) to treatment rural domestic wastewater were studied.The actual experiment results indicate that at a HRT of above 12 h,the average removal rates of COD,TN,NH3N,TP are 85.5 %,42.8 %,34.67 %,41.97 % respectively for combined process.At a HRT of below 12 h,the removal rates of COD,TN,NH3N,TP for combined process has the obvious drop.For the remove of COD,role of ABR is larger,accounting for more than 60 %.For the remove of NH3N,TN,TP vertical SSFW makes larger contribution.

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What this paper is about

The combined process that anaerobic baffled reactor and subsurface flow constructed wetland(ABR-SSFW) to treatment rural domestic wastewater were studied.The actual experiment results indicate that at a HRT of above 12 h,the average removal rates of COD,TN,NH3N,TP are 85.5 %,42.8 %,34.67 %,41.97 % respectively for combined process.At a HRT of below 12 h,the removal rates of COD,TN,NH3N,TP for combined process has the obvious drop.For the remove of COD,role of ABR is larger,accounting for more than 60 %.For the remove of NH3N,TN,TP vertical SSFW makes larger contribution.

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Available abstract

The combined process that anaerobic baffled reactor and subsurface flow constructed wetland(ABR-SSFW) to treatment rural domestic wastewater were studied.The actual experiment results indicate that at a HRT of above 12 h,the average removal rates of COD,TN,NH3N,TP are 85.5 %,42.8 %,34.67 %,41.97 % respectively for combined process.At a HRT of below 12 h,the removal rates of COD,TN,NH3N,TP for combined process has the obvious drop.For the remove of COD,role of ABR is larger,accounting for more than 60 %.For the remove of NH3N,TN,TP vertical SSFW makes larger contribution.

Key concepts: Constructed wetland, Environmental science, Subsurface flow, Environmental engineering, Sewage treatment, Wetland, Wastewater, Sewage

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