Source Jouranl of CSCD
Source Journal of Chinese Scientific and Technical Papers
Included as T2 Level in the High-Quality Science and Technology Journals in the Field of Environmental Science
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LI Xiaolong, ZHANG Tao, ZHAO Jingchen. INFLUENCE MECHANISM OF ABRASIVE RESISTANCE OF ACTIVATED CARBON FOR FLUE GAS PURIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(5): 45-51,60. doi: 10.13205/j.hjgc.202305007
Citation: ZHANG Chi, SHA Hongjü, WANG Chao, LÜ Ze, HU Xiaomin. MICROBIAL COMMUNITY STRUCTURE ENHANCEMENT BY ELECTRIC FIELD AT ROOM TEMPERATURE AND HIGH NITROGEN LOAD[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(5): 39-44. doi: 10.13205/j.hjgc.202305006

MICROBIAL COMMUNITY STRUCTURE ENHANCEMENT BY ELECTRIC FIELD AT ROOM TEMPERATURE AND HIGH NITROGEN LOAD

doi: 10.13205/j.hjgc.202305006
  • Received Date: 2022-09-27
  • In order to investigate the effect of electric field on microbial community structure and cell structure of anammox, at room temperature and high nitrogen loading, the effect of electric field on an anammox system was investigated in a continuously stirred reactor (CSTR), with an influent NH4+-N/NO2--N value of 1.2. The results showed that the electric field could influence the structure and relative abundance of the microbial community, at room temperature. Under the electric field, there were depressions and folds in the microbial cell structure, which effectively increased the cell surface area, improved the mass transfer efficiency, and reduced the inhibition of high nitrogen load. The anammox bacteria and denitrifying bacteria could enhance nitrogen removal efficiency through a synergistic effect, maintain system stability, and resist the inhibition of high nitrogen loading. However, high nitrogen loading could easily breed other miscellaneous bacteria and destroy microbial cell structure. The breeding filamentous bacteria could compete with anammox and other functional bacteria, and become the dominant species, which reduces the relative abundance of functional flora and inhibited the development of the functional microbial community.
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