DOI: 10.1016/j.watres.2017.11.044
Scopus记录号: 2-s2.0-85044661794
论文题名: Pinpointing wastewater and process parameters controlling the AOB to NOB activity ratio in sewage treatment plants
作者: Seuntjens D. ; Han M. ; Kerckhof F.-M. ; Boon N. ; Al-Omari A. ; Takacs I. ; Meerburg F. ; De Mulder C. ; Wett B. ; Bott C. ; Murthy S. ; Carvajal Arroyo J.M. ; De Clippeleir H. ; Vlaeminck S.E.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 138 起始页码: 37
结束页码: 46
语种: 英语
英文关键词: Energy-positive
; Inorganic carbon
; Monod
; Partial nitritation/anammox
; Phosphate
Scopus关键词: Bacteria
; Carbon
; Inverse problems
; Nitrification
; Nitrogen removal
; Phosphates
; River pollution
; Temperature distribution
; Wastewater treatment
; Energy-positive
; Inorganic carbon
; Monod
; Nitrification performance
; Nitrification/denitrification
; Nitrite-oxidizing bacteria
; Partial nitritation
; Short-cut nitrogen removals
; Sewage treatment plants
; carbon
; nitrogen
; phosphorus
; ammonia
; nitrite
; ammonia
; ammonium compound
; bacterium
; energy efficiency
; inorganic carbon
; microbial activity
; oxidation
; parameter estimation
; sewage treatment
; waste technology
; wastewater treatment
; wastewater treatment plant
; anammox bacterium
; Article
; kinetics
; loading test
; methodology
; nitrification
; nitrite oxidizing bacterium
; nonhuman
; priority journal
; sewage treatment plant
; sludge
; temperature
; waste water
; bacterium
; bioreactor
; metabolism
; microbiology
; oxidation reduction reaction
; procedures
; sewage
; waste water
; Ammonia
; Bacteria
; Bioreactors
; Carbon
; Nitrification
; Nitrites
; Nitrogen
; Oxidation-Reduction
; Waste Disposal, Fluid
; Waste Water
英文摘要: Even though nitrification/denitrification is a robust technology to remove nitrogen from sewage, economic incentives drive its future replacement by shortcut nitrogen removal processes. The latter necessitates high potential activity ratios of ammonia oxidizing to nitrite oxidizing bacteria (rAOB/rNOB). The goal of this study was to identify which wastewater and process parameters can govern this in reality. Two sewage treatment plants (STP) were chosen based on their inverse rAOB/rNOB values (at 20 °C): 0.6 for Blue Plains (BP, Washington DC, US) and 1.6 for Nieuwveer (NV, Breda, NL). Disproportional and dissimilar relationships between AOB or NOB relative abundances and respective activities pointed towards differences in community and growth/activity limiting parameters. The AOB communities showed to be particularly different. Temperature had no discriminatory effect on the nitrifiers' activities, with similar Arrhenius temperature dependences (ΘAOB = 1.10, ΘNOB = 1.06–1.07). To uncouple the temperature effect from potential limitations like inorganic carbon, phosphorus and nitrogen, an add-on mechanistic methodology based on kinetic modelling was developed. Results suggest that BP's AOB activity was limited by the concentration of inorganic carbon (not by residual N and P), while NOB experienced less limitation from this. For NV, the sludge-specific nitrogen loading rate seemed to be the most prevalent factor limiting AOB and NOB activities. Altogether, this study shows that bottom-up mechanistic modelling can identify parameters that influence the nitrification performance. Increasing inorganic carbon in BP could invert its rAOB/rNOB value, facilitating its transition to shortcut nitrogen removal. © 2017 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112787
Appears in Collections: 气候减缓与适应
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作者单位: Center for Microbial Ecology and Technology (CMET), Faculty of Bioscience Engineering, Ghent University, Belgium; DC WATER, District of Columbia, United States; Dynamita, Nyons, France; Biomath, Faculty of Bioscience Engineering, Ghent University, Belgium; Research Group of Sustainable Energy, Air and Water Technology, Faculty of Science, University of Antwerp, Belgium; ARA Consult, Innsbruck, Austria; Hampton Roads Sanitation District (HRSD), Virginia Beach, United States; Aquafin NV, Belgium
Recommended Citation:
Seuntjens D.,Han M.,Kerckhof F.-M.,et al. Pinpointing wastewater and process parameters controlling the AOB to NOB activity ratio in sewage treatment plants[J]. Water Research,2018-01-01,138