[Identification and function test of an alkali-tolerant denitrifying bacterium]
1Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China. wangru890501@163.com
Wei Sheng Wu Xue Bao = Acta Microbiologica Sinica
|July 18, 2013
Summary
A novel alkali-tolerant denitrifying bacterium, Diaphorobater nitroreducens strain R9, was isolated. This bacterium efficiently removes nitrate in alkaline conditions, showing potential for wastewater treatment applications.
Area of Science:
- Microbiology
- Environmental Science
Context:
- Denitrification is crucial for removing nitrogen pollutants from wastewater.
- Alkaline conditions pose challenges for conventional microbial denitrification processes.
Purpose:
- To isolate and characterize an alkali-tolerant denitrifying bacterium.
- To evaluate its denitrifying activity and tolerance to alkaline environments.
Summary:
- Diaphorobater nitroreducens strain R9 was isolated from a high-rate denitrifying reactor.
- Strain R9 demonstrated efficient heterotrophic denitrification using methanol and nitrate.
- Optimal performance was observed at pH 9.0, with significant activity maintained at pH 11.0.
Impact:
- Identifies a promising microbial resource for treating nitrogen-rich alkaline wastewater.
- Contributes to the development of more robust and efficient biological nitrogen removal technologies.
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