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Carbon availability shifts the nitrogen removal pathway and microbial community in biofilm airlift reactor

Deng, Y. (författare)
Institute of Agricultural Bio-Environmental Engineering, College of Bio-systems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
Ruan, Y. (författare)
Institute of Agricultural Bio-Environmental Engineering, College of Bio-systems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
Taherzadeh, Mohammad J, 1965- (författare)
Högskolan i Borås,Akademin för textil, teknik och ekonomi,Swedish Centre for Resource Recovery
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Chen, J. (författare)
Institute of Bioresource Engineering, Nanjing Technology University, Nanjing 210009, China
Qi, W. (författare)
Institute of Agricultural Bio-Environmental Engineering, College of Bio-systems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
Kong, D. (författare)
Agricultural Experiment Station, Zhejiang University, Hangzhou 310058, China
Ma, B. (författare)
Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China
Xu, X. (författare)
Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China
Lu, H. (författare)
Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China
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 (creator_code:org_t)
Elsevier, 2021
2021
Engelska.
Ingår i: Bioresource Technology. - : Elsevier. - 0960-8524 .- 1873-2976. ; 323
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • This study investigated the response of nitrogen removal performance and microbial community to different carbon composites in biofilm airlift reactors for wastewater treatment. Three reactors were filled with poly (butylene succinate) and bamboo powder composite at the blending ratio of 9:1, 1:1 and 1:9. Increasing the component of bamboo powder in the carrier reduced the carbon availability and had an adverse effect on nitrate removal efficiency. However, bamboo powder improved the ammonia removal rate which mainly through autotrophic nitrification. Three reactors exhibited distinct microbial compositions in both bacterial and fungal diversity. High inclusion of bamboo power decreased the relative abundance of denitrifiers Denitromonas and increased the relative abundance of nitrifiers, including Nitromonas, Nitrospina and Nitrospira. Moreover, correlation network revealed a competitive interaction between the taxa responsible for ammonia removal and nitrate removal processes. Those results indicated the feasibility of steering nitrogen removal pathway through carrier formulation in wastewater treatment.

Ämnesord

NATURVETENSKAP  -- Biologi -- Mikrobiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Microbiology (hsv//eng)

Nyckelord

Bacterial community
Biofilm composite carrier
Correlation network
Fungal community
Nitrogen removal
Ammonia
Availability
Bamboo
Biofilms
Blending
Carbon carbon composites
Microorganisms
Nitrates
Nitrification
Wastewater treatment
Biofilm airlift reactors
Carbon availability
Competitive interactions
Microbial communities
Microbial composition
Poly (butylene succinate)
Removal performance
bacterial RNA
carbon
fungal RNA
nitrate
nitrogen
poly(butylene succinate)
polymer
RNA 16S
unclassified drug
biofilm
bioreactor
carbon budget
denitrification
microbial community
nitrifying bacterium
relative abundance
Article
autotroph
bacterium
denitrifyer
Denitromonas
effluent
heterotroph
microbial diversity
Nitromonas
Nitrospina
Nitrospira
nonhuman
priority journal
waste water management
water quality
microflora
wastewater
Bacteria (microorganisms)
Bioreactors
Microbiota
Waste Water
Resource Recovery
Resursåtervinning

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