ANALYSIS ON THE HETEROTROPHIC NITRIFICATION-AEROBIC DENITRIFICATION CHARACTERISTICS OF THE NEW SPECIES OF <i>MASSILIA NEUIANA</i>

LI Yi-yi; ZHAO Yong-jiao; LIU Fang; LI Xue-jie; ZHAO Xin; HU Xiao-min

doi:10.13205/j.hjgc.202010016

Volume 38 Issue 10

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(10): 103-107

LI Yi-yi, ZHAO Yong-jiao, LIU Fang, LI Xue-jie, ZHAO Xin, HU Xiao-min. ANALYSIS ON THE HETEROTROPHIC NITRIFICATION-AEROBIC DENITRIFICATION CHARACTERISTICS OF THE NEW SPECIES OF MASSILIA NEUIANA[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(10): 103-107. doi: 10.13205/j.hjgc.202010016

Citation:

LI Yi-yi, ZHAO Yong-jiao, LIU Fang, LI Xue-jie, ZHAO Xin, HU Xiao-min. ANALYSIS ON THE HETEROTROPHIC NITRIFICATION-AEROBIC DENITRIFICATION CHARACTERISTICS OF THE NEW SPECIES OF MASSILIA NEUIANA[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(10): 103-107. doi: 10.13205/j.hjgc.202010016

Citation:

LI Yi-yi, ZHAO Yong-jiao, LIU Fang, LI Xue-jie, ZHAO Xin, HU Xiao-min. ANALYSIS ON THE HETEROTROPHIC NITRIFICATION-AEROBIC DENITRIFICATION CHARACTERISTICS OF THE NEW SPECIES OF MASSILIA NEUIANA[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(10): 103-107. doi: 10.13205/j.hjgc.202010016

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ANALYSIS ON THE HETEROTROPHIC NITRIFICATION-AEROBIC DENITRIFICATION CHARACTERISTICS OF THE NEW SPECIES OF MASSILIA NEUIANA

doi: 10.13205/j.hjgc.202010016

1. Department of Environmental Engineering, School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China;
2. Shenyang Academy of Environmental Sciences, Shenyang 110167, China;
3. School of Chemical and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, China

Received Date: 2019-08-28

Abstract

Abstract

In this study, the heterotrophic nitrification-aerobic denitrification characteristics of strain PTW21, a typical strain of a novel nitrogen removal species Massilia neuiana, was investigated. The high efficiencies of heterotrophic nitrification and aerobic denitrification by strain PTW21 were demonstrated, which were both obtained over 90%. A higher denitrification efficiency was obtained than its nitrification efficiency in the simultaneous nitrification and denitrification (SND) by strain PTW21. However, a nitrification-denitrification competitive inhibition was observed in the presence of NH₄⁺-N that ammonium was preferentially consumed by strain PTW21, followed by nitrate. Totally over 95% of ammonia and nitrate nitrogen were removed by strain PTW21 in the SND process. The study on Massilia neuiana enriched the variety of heterotrophic nitrification-aerobic denitrification microbe, and established the preliminary foundation of the strain for the bio-augmentation application in sewage treatment plants.
- biological nitrogen removal,
- heterotrophic nitrification,
- aerobic denitrification,
- Massilia,
- simultaneous nitrification and denitrification

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