DOI: 10.1016/j.watres.2018.02.051
Scopus记录号: 2-s2.0-85044474862
论文题名: Mainstream anammox in a novel A-2B process for energy-efficient municipal wastewater treatment with minimized sludge production
作者: Gu J. ; Yang Q. ; Liu Y.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 138 起始页码: 1
结束页码: 6
语种: 英语
英文关键词: A-2B process
; Energy-efficient
; Mainstream anammox
; Moving bed biofilm reactor (MBBR)
; Nitritation-denitritation
Scopus关键词: Batch reactors
; Biofilms
; Bioreactors
; Effluents
; Energy utilization
; Nitrogen removal
; Tin
; Wastewater reclamation
; Wastewater treatment
; Anaerobic fixed-bed reactors
; ANAMMOX
; Denitritation
; Energy efficient
; Energy efficient operations
; Moving bed biofilm reactors
; Municipal wastewater reclamation
; Municipal wastewater treatment
; Energy efficiency
; anaerobic digestion
; bacterium
; biofilm
; biological method
; bioreactor
; concentration (composition)
; denitrification
; effluent
; fuel cell
; fuel consumption
; inorganic nitrogen
; nitrification
; pollutant removal
; sludge
; wastewater treatment
; ammonia oxidizing bacterium
; Article
; Candidatus kuenenia
; chemical oxygen demand
; concentration (parameters)
; high throughput sequencing
; nonhuman
; priority journal
; waste water management
; anaerobic growth
; bacterium
; biofilm
; bioreactor
; metabolism
; oxidation reduction reaction
; procedures
; sewage
; methane
; nitrite
; nitrogen
; Anaerobiosis
; Bacteria
; Biofilms
; Bioreactors
; Methane
; Nitrites
; Nitrogen
; Oxidation-Reduction
; Sewage
; Waste Disposal, Fluid
英文摘要: The conventional biological processes for municipal wastewater are facing the challenges of high energy consumption and production of excessive sludge. To address these two emerging issues, this study demonstrated the feasibility to integrate mainstream anammox into an A-2B process for municipal wastewater treatment towards energy-efficient operation with reduced sludge production. In the proposed A-2B process, an anaerobic fixed bed reactor (AFBR) served as A-stage for COD capture, an anammox moving bed biofilm reactor (MBBR) was employed as B2-stage, which received effluent containing nitrite from a sequencing batch reactor (SBR) at B1-stage. The results showed that under the operation conditions studied, 58% of influent COD was converted methane gas at A-stage, and 87% total inorganic nitrogen (TIN) removal was achieved with the effluent TIN concentration of 6.5 mg/L. Moreover, it was shown that at least 75% of sludge reduction was obtained due to the COD capture at A-stage. The high-throughput sequencing analysis further revealed that Candidatus Kuenenia was the dominant genus responsible for the observed anammox at B2-stage MBBR. This study clearly demonstrated a novel process configuration for sustaining mainstream anammox for municipal wastewater reclamation towards energy-efficient operation with minimized sludge production. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112800
Appears in Collections: 气候减缓与适应
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作者单位: Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore, 637141, Singapore; Interdisciplinary Graduate School, Nanyang Technological University, 50 Nanyang Avenue639798, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
Recommended Citation:
Gu J.,Yang Q.,Liu Y.. Mainstream anammox in a novel A-2B process for energy-efficient municipal wastewater treatment with minimized sludge production[J]. Water Research,2018-01-01,138