Yu Lu, Liu Yanjun, Wang Gejiao
State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
Biodegradation. 2009 Jun;20(3):391-400. doi: 10.1007/s10532-008-9230-2. Epub 2008 Nov 11.
Two novel denitrifying bacteria were successfully isolated from industrial wastewater and soil samples. Using morphological, biochemical/biophysical and 16S rRNA gene analyses, these two bacteria were identified as Stenotrophomonas sp. ZZ15 and Oceanimonas sp. YC13, respectively. Both of these two bacteria showed efficient NO(3) (-)-N removing abilities under a semi-anaerobic condition without obvious accumulation of NO(2) (-)-N, N(2)O-N and NH(4) (+)-N. NO(3) (-)-N removal from paper mill wastewater was also successful by treatments with either a denitrifier or an immobilization method. Therefore, this study provides valuable denitrifying bacteria in biotreatment of industrial wastewater and other environmental pollution caused by NO(3) (-)/NO(2) (-).
从工业废水和土壤样本中成功分离出两种新型反硝化细菌。通过形态学、生化/生物物理和16S rRNA基因分析，这两种细菌分别被鉴定为嗜麦芽窄食单胞菌ZZ15和海单胞菌YC13。这两种细菌在半厌氧条件下均表现出高效的NO(3) (-)-N去除能力，且无明显的NO(2) (-)-N、N(2)O-N和NH(4) (+)-N积累。采用反硝化菌或固定化方法处理造纸厂废水，也成功实现了NO(3) (-)-N的去除。因此，本研究为工业废水生物处理及其他由NO(3) (-)/NO(2) (-)引起的环境污染提供了有价值的反硝化细菌。
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