Feasibility of conventional and single-stage anaerobic ammonium oxidation processes for treating chlortetracycline wastewater

Conventional and single-stage anaerobic ammonium oxidation (ANAMMOX) was carried out in bench-scale reactors to treat chlortetracycline (CTC) wastewater. The total nitrogen (TN) removal efficiency and rate for conventional ANAMMOX was 66.6 ± 5.9% and 2.7 ± 0.2 kg N/(m³·d), respectively, which was 58...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 70(2014), 6 vom: 14., Seite 947-54
1. Verfasser: Liu, Miaomiao (VerfasserIn)
Weitere Verfasser: Yao, Hong, Liu, Hao, Xu, Jing, Zuo, Lushen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Ammonium Compounds Anti-Bacterial Agents Waste Water Water Pollutants, Chemical Nitrogen N762921K75 Chlortetracycline WCK1KIQ23Q
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520 |a Conventional and single-stage anaerobic ammonium oxidation (ANAMMOX) was carried out in bench-scale reactors to treat chlortetracycline (CTC) wastewater. The total nitrogen (TN) removal efficiency and rate for conventional ANAMMOX was 66.6 ± 5.9% and 2.7 ± 0.2 kg N/(m³·d), respectively, which was 58.6 ± 3.8% and 1.2 ± 0.1 kg N/(m³·d) for single-stage ANAMMOX. Single-stage ANAMMOX showed higher tolerance to CTC than conventional ANAMMOX. The nitrogen removal of conventional and single-stage ANAMMOX began to deteriorate when CTC was added, to 40 and 80 mg/L, respectively, with the former totally inhibited at 120 mg/L CTC and the latter at 140 mg/L CTC. TN removal rates were recovered to 1.2 and 0.7 kg N/(m³·d), respectively, when CTC concentration was reduced to 20 mg/L for 8 days. This study implied that ANAMMOX could be efficiently used to treat pharmaceutical wastewater, with single-stage implementation being more stable under antibiotic pressure 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Waste Water  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
650 7 |a Chlortetracycline  |2 NLM 
650 7 |a WCK1KIQ23Q  |2 NLM 
700 1 |a Yao, Hong  |e verfasserin  |4 aut 
700 1 |a Liu, Hao  |e verfasserin  |4 aut 
700 1 |a Xu, Jing  |e verfasserin  |4 aut 
700 1 |a Zuo, Lushen  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.2166/wst.2014.308  |3 Volltext 
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