APPLICATION OF BIOLOGICAL CARBON IN DEEP PURIFICATION OF TAIL WATER OF URBAN SEWAGE TREATMENT PLANTS

DENG Jing-xuan; HUANG Zhen-xing; LI Ji; SHAN Xiao-hong; RUAN Wen-quan

doi:10.13205/j.hjgc.202007013

Volume 38 Issue 7

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(7): 81-87

DENG Jing-xuan, HUANG Zhen-xing, LI Ji, SHAN Xiao-hong, RUAN Wen-quan. APPLICATION OF BIOLOGICAL CARBON IN DEEP PURIFICATION OF TAIL WATER OF URBAN SEWAGE TREATMENT PLANTS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(7): 81-87. doi: 10.13205/j.hjgc.202007013

Citation:

DENG Jing-xuan, HUANG Zhen-xing, LI Ji, SHAN Xiao-hong, RUAN Wen-quan. APPLICATION OF BIOLOGICAL CARBON IN DEEP PURIFICATION OF TAIL WATER OF URBAN SEWAGE TREATMENT PLANTS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(7): 81-87. doi: 10.13205/j.hjgc.202007013

Citation:

DENG Jing-xuan, HUANG Zhen-xing, LI Ji, SHAN Xiao-hong, RUAN Wen-quan. APPLICATION OF BIOLOGICAL CARBON IN DEEP PURIFICATION OF TAIL WATER OF URBAN SEWAGE TREATMENT PLANTS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(7): 81-87. doi: 10.13205/j.hjgc.202007013

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APPLICATION OF BIOLOGICAL CARBON IN DEEP PURIFICATION OF TAIL WATER OF URBAN SEWAGE TREATMENT PLANTS

doi: 10.13205/j.hjgc.202007013

1. School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China;
2. Wuxi Masun Environmental Energy Technology Co., Ltd, Wuxi 214122, China

Received Date: 2020-03-10

Abstract

Abstract

To study the deep purification technology of tail water of urban sewage treatment plant, the biological carbon made from the waste of agricultural and forestry straw biomass power generation, was used as the filler to investigate the treatment effect of tail water of urban sewage treatment plant. Miseq high-throughput sequencing technology was also applied to study the microbial community structures of suspended packing in the moving bed biofilm reactor (MBBR) and biological carbon filler. The results showed that biological carbon could deeply purify the tail water, and the average removal rate of NH₄⁺-N, TN, COD and TP was higher than that of effluent from sedimentation tank by 0.9%, 19.0%, 7.1% and 10.5%. The microbial species richness and diversity of biological carbon filler were higher than those in MBBR, and denitrification related bacteria in the microbial community was dominant species(24.2%). In addition, phosphorus accumulating bacteria (4.6%), and nitrifying bacteria (1.3%) related genera were detected in the biofilm samples. The results suggested that biological carbon filler was conducive for the enrichment and growth of functional bacteria like nitrogen and phosphorus removal bacteria and played a key role in wastewater treatment. This study could provide a scientific basis and parameters for biological carbon in engineering application.
- biological carbon filler,
- sewage plant tail water,
- advanced purification,
- moving bed biofilm reactor (MBBR)

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