DOI: 10.1016/j.watres.2017.11.013
Scopus记录号: 2-s2.0-85034025543
论文题名: The feasibility of nanofiltration membrane bioreactor (NF-MBR)+reverse osmosis (RO) process for water reclamation: Comparison with ultrafiltration membrane bioreactor (UF-MBR)+RO process
作者: Tay M.F. ; Liu C. ; Cornelissen E.R. ; Wu B. ; Chong T.H.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 129 起始页码: 180
结束页码: 189
语种: 英语
英文关键词: Dissolved organic substances
; Energy consumption
; Membrane fouling
; Nanofiltration
; Reverse osmosis
; Water reclamation
Scopus关键词: Biodegradation
; Biological water treatment
; Biopolymers
; Bioreactors
; Energy utilization
; Membrane fouling
; Nanofiltration
; Reverse osmosis
; Ultrafiltration
; Wastewater reclamation
; Water filtration
; Cake enhanced osmotic pressure (CEOP)
; Dissolved organic substances
; Enhanced biodegradation
; Hollow fiber membranes
; Nanofiltration membrane bioreactors
; Operating condition
; Transmembrane pressures
; Ultra-filtration membranes
; Nanofiltration membranes
; biopolymer
; nanomaterial
; water
; biodegradation
; bioreactor
; dissolved organic matter
; energy use
; filtration
; fouling
; reverse osmosis
; water treatment
; activated sludge
; Article
; autopsy
; biodegradation
; chemical oxygen demand
; comparative study
; energy consumption
; environmental reclamation
; fouling control
; humic substance
; molecular weight
; nanofiltration
; osmotic pressure
; polymerization
; priority journal
; retention time
; reverse osmosis
; surface area
; suspended particulate matter
; total organic carbon
; ultrafiltration
; waste water treatment plant
; water quality
; analysis
; artificial membrane
; bioreactor
; evaluation study
; feasibility study
; filtration
; osmosis
; pressure
; procedures
; recycling
; statistics and numerical data
; ultrafiltration
; waste water
; water management
; Bioreactors
; Feasibility Studies
; Filtration
; Membranes, Artificial
; Nanostructures
; Osmosis
; Pressure
; Recycling
; Ultrafiltration
; Waste Water
; Water
; Water Purification
英文摘要: This study examines the feasibility of a novel nanofiltration membrane bioreactor (NF-MBR) followed by reverse osmosis (RO) process for water reclamation at 90% recovery and using an ultrafiltration MBR (UF-MBR)+RO as baseline for comparison. Both MBRs adopted the same external hollow fiber membrane configurations and operating conditions. The collected permeates of the MBRs were subsequently fed to the respective RO systems. The results showed that the NF-MBR (operated at a constant flux of 10 L/m2h) achieved superior MBR permeate quality due to enhanced biodegradation and high rejection capacity of the NF membrane, leading to lower RO fouling rates (∼3.3 times) as compared to the UF-MBR. Further analysis indicated that the cake layer fouling that caused the cake-enhanced osmotic pressure (CEOP) effect contributed predominantly to the transmembrane pressure (TMP) increase in the NF-MBR, while irreversible pore fouling was the major reason for UF membrane fouling. Furthermore, it was found that the biopolymers (i.e., organics with MW > 10 kDa) were the main components present in the foulants of the NF/UF membranes and RO membranes. The analysis indicated that the NF-MBR + RO system at recovery of 90% has comparable energy consumption as the UF-MBR + RO system at recovery of 75%. Our findings proved the feasibility of the NF-MBR + RO for water reclamation at a high recovery rate. © 2017 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113121
Appears in Collections: 气候减缓与适应
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作者单位: School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore; Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore, 637141, Singapore; KWR Watercycle Research Institute, Nieuwegein, PE 3433, Netherlands
Recommended Citation:
Tay M.F.,Liu C.,Cornelissen E.R.,et al. The feasibility of nanofiltration membrane bioreactor (NF-MBR)+reverse osmosis (RO) process for water reclamation: Comparison with ultrafiltration membrane bioreactor (UF-MBR)+RO process[J]. Water Research,2018-01-01,129