COMPARISON OF CHARACTERISTICS OF MICROBIAL COMMUNITY STRUCTURE IN SEWAGE TREATMENT PLANTS OF HIGH ALTITUDE AREA AND LOW ALTITUDE AREA

ZHANG Meng; ZHAO Yani; ZHANG Liling; WU Jingya; LI Shuping; ZHU Guangcan; SUN Liwei

doi:10.13205/j.hjgc.202203011

Volume 40 Issue 3

Mar. 2022

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ZHANG Meng, ZHAO Yani, ZHANG Liling, WU Jingya, LI Shuping, ZHU Guangcan, SUN Liwei. COMPARISON OF CHARACTERISTICS OF MICROBIAL COMMUNITY STRUCTURE IN SEWAGE TREATMENT PLANTS OF HIGH ALTITUDE AREA AND LOW ALTITUDE AREA[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 66-73. doi: 10.13205/j.hjgc.202203011

Citation:

ZHANG Meng, ZHAO Yani, ZHANG Liling, WU Jingya, LI Shuping, ZHU Guangcan, SUN Liwei. COMPARISON OF CHARACTERISTICS OF MICROBIAL COMMUNITY STRUCTURE IN SEWAGE TREATMENT PLANTS OF HIGH ALTITUDE AREA AND LOW ALTITUDE AREA[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 66-73. doi: 10.13205/j.hjgc.202203011

Citation:

ZHANG Meng, ZHAO Yani, ZHANG Liling, WU Jingya, LI Shuping, ZHU Guangcan, SUN Liwei. COMPARISON OF CHARACTERISTICS OF MICROBIAL COMMUNITY STRUCTURE IN SEWAGE TREATMENT PLANTS OF HIGH ALTITUDE AREA AND LOW ALTITUDE AREA[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 66-73. doi: 10.13205/j.hjgc.202203011

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COMPARISON OF CHARACTERISTICS OF MICROBIAL COMMUNITY STRUCTURE IN SEWAGE TREATMENT PLANTS OF HIGH ALTITUDE AREA AND LOW ALTITUDE AREA

doi: 10.13205/j.hjgc.202203011

ZHANG Meng^1,2,
ZHAO Yani^3,4,
ZHANG Liling^1,2,
WU Jingya^1,2,
LI Shuping^3,4,
ZHU Guangcan^1,2,
SUN Liwei^{1,2
,
,}

1. School of Energy and Environment, Southeast University, Nanjing 210096, China;
2. Taihu Lake Water Environment Engineering Research Center(Wuxi), Southeast University, Wuxi 214028, China;
3. School of Information and Engineering, Xizang Minzu University, Xianyang 712082, China;
4. Key Laboratory of Water Pollution Control and Ecological Restoration of Xizang, National Ethnic Affairs Commission, Xizang Minzu University, Xianyang 712082, China

Received Date: 2021-02-01
Available Online: 2022-07-07

Abstract

Abstract

The characteristics of the microbial community structure in the sewage treatment plants in the high altitude (Tibet) and low altitude (Wuxi) areas were analyzed and compared by using the high throughput gene sequencing. The results showed that the Simpson index (0.993~0.994) and Shannon index (8.388~8.668) of each sample from high altitude area was higher than that of the low altitude area, but the actual processing efficiency was lower than that of the low altitude area. The highest abundance of bacteria in sludge of high altitude were Haliangium and Ferruginibacter, ranged from 6.5% to 10.3% and from 5.6% to 6.4%, which were associated with the removal of COD. However, the highest abundance of bacteria in the sample of low altitude area was Hyphomicrobium, and the abundance was between 7.8% and 11.4%, which was associated with the function of wastewater treatment denitrification. In low altitude area sample, Candidatus accumulibacter(with the function of phosphorus removal) was detected with an abundance of 1.3%, but not detected in high altitude area sample, replaced by the Tetrasphaera (the abundance range was between 1.2% and 1.6%) and Flavobacterium (the abundance range was between 0.57% and 0.7%). The principal component analysis (PCA) results on environmental conditions showed that the highest correlation with the distribution of bacterial species in high altitude area was the concentration of total nitrogen (TN), followed by the concentration of total phosphorus (TP), ammonia nitrogen (NH₄⁺-N) and dissolved oxygen (DO). In high altitude area, the effects of COD and BOD₅ on microbial colony distribution were significantly lower than these in low altitude area.
- high altitude area,
- sewage treatment system,
- microbial community structure,
- high throughput sequencing

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