Characteristics of a novel thermophilic heterotrophic bacterium, Anoxybacillus contaminans HA, for nitrification-aerobic denitrification

Verfasser / Beitragende:
[Jun Chen, Ji Zheng, Yan Li, Hong-hong Hao, Jian-meng Chen]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/24(2015-12-01), 10695-10702
Format:
Artikel (online)
ID: 605502358
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024 7 0 |a 10.1007/s00253-015-6870-0  |2 doi 
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245 0 0 |a Characteristics of a novel thermophilic heterotrophic bacterium, Anoxybacillus contaminans HA, for nitrification-aerobic denitrification  |h [Elektronische Daten]  |c [Jun Chen, Ji Zheng, Yan Li, Hong-hong Hao, Jian-meng Chen] 
520 3 |a A strain bacterium that is thermophilic, heterotrophic nitrifying, and aerobic denitrifying was isolated and identified as Anoxybacillus contaminans HA for the first time. The identification was based on morphological and physiological characterizations, together with phylogenetic analysis of 16S rDNA sequence. The strain possessed excellent tolerance to high temperatures, with 55°C as its optimum and 60°C as viable. Moreover, NH4 +-N and NO3 −-N could be efficiently removed under thermophilic and solely aerobic conditions, with little intermediate accumulation. Average removal efficiencies of NH4 +-N and NO3 −-N at 55°C reached 71.0 and 74.7%, respectively, with removal rates of 5.83 and 32.08mgl−1h−1, respectively. Single-factor experiments suggested that the optimal conditions for both heterotrophic nitrification and aerobic denitrification were glucose as carbon source, NH4 +-N range of 50-200mgl−1, and wide NO3 −-N range of 200-1000mgl−1. These results indicated that strain HA had heterotrophic nitrification and aerobic denitrification abilities, as well as the notable ability to remove ammonium under thermophilic condition. Thus, this strain has potential application in waste-gas treatment. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Thermophilic bacterium  |2 nationallicence 
690 7 |a Anoxybacillus contaminans  |2 nationallicence 
690 7 |a Heterotrophic nitrification  |2 nationallicence 
690 7 |a Aerobic denitrification  |2 nationallicence 
690 7 |a NOx removal  |2 nationallicence 
700 1 |a Chen  |D Jun  |u Engineering Research Center of the Ministry of Education for Bioconversion and Biopurification, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
700 1 |a Zheng  |D Ji  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
700 1 |a Li  |D Yan  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
700 1 |a Hao  |D Hong-hong  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
700 1 |a Chen  |D Jian-meng  |u Engineering Research Center of the Ministry of Education for Bioconversion and Biopurification, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/24(2015-12-01), 10695-10702  |x 0175-7598  |q 99:24<10695  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-015-6870-0  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
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950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-015-6870-0  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Chen  |D Jun  |u Engineering Research Center of the Ministry of Education for Bioconversion and Biopurification, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zheng  |D Ji  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Li  |D Yan  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hao  |D Hong-hong  |u College of Biological and Environmental Engineering, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Chen  |D Jian-meng  |u Engineering Research Center of the Ministry of Education for Bioconversion and Biopurification, Zhejiang University of Technology, 310032, Hangzhou, People's Republic of China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/24(2015-12-01), 10695-10702  |x 0175-7598  |q 99:24<10695  |1 2015  |2 99  |o 253