A cascade of anoxic and oxic fluidized bed biofilm reactors for treatment of synthetic municipal wastewater

In this study, a cascade of anoxic and oxic fluidized bed biofilm reactors system was carried out to treat synthetic municipal wastewater. The parameters of the influent flow rates and C/N ratios were discussed. System performance was acceptable for chemical oxygen demand (COD), ammonia, and total n...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 84(2012), 2 vom: 15. Feb., Seite 128-33
1. Verfasser: Chen, Y W (VerfasserIn)
Weitere Verfasser: Wang, J M, Zang, C L, Huang, Q, Liu, M Q, Zhu, S M, Shen, S B
Format: Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Nitrogen Compounds Water Pollutants, Chemical Oxygen S88TT14065
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520 |a In this study, a cascade of anoxic and oxic fluidized bed biofilm reactors system was carried out to treat synthetic municipal wastewater. The parameters of the influent flow rates and C/N ratios were discussed. System performance was acceptable for chemical oxygen demand (COD), ammonia, and total nitrogen removal. A decrease of ammonia and total nitrogen removal efficiencies, however, was observed when the influent flow rates increased to 5.04 and 6.12 1 h(-1). Total nitrogen removal decreased at the influent C/N ratio of 3:1. The measured ratios of COD reduction in the anoxic column to nitrogen removal through nitrification-denitrification were 3.7, 3.5, 3.3, and 3.1 g COD/g(-1) N on average when the influent C/N ratios changed from 6:1 to 3:1. The observed sludge yield (Yobs) was 0.169 g VSS g COD(-1) because of perfect denitrification in the anoxic column and the relatively long solids retention time 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Nitrogen Compounds  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Oxygen  |2 NLM 
650 7 |a S88TT14065  |2 NLM 
700 1 |a Wang, J M  |e verfasserin  |4 aut 
700 1 |a Zang, C L  |e verfasserin  |4 aut 
700 1 |a Huang, Q  |e verfasserin  |4 aut 
700 1 |a Liu, M Q  |e verfasserin  |4 aut 
700 1 |a Zhu, S M  |e verfasserin  |4 aut 
700 1 |a Shen, S B  |e verfasserin  |4 aut 
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