Treatment of domestic wastewater with an integrated membrane bioreactor was studied Results showed that average removal efficiency for COD TOC NH4+-N TN and TP were 93 4% 96 2% 97 2% 63 8% and 60 6% respectively In addition sludge activity reduced with the extending of running time Membrane bioreactors for wastewater treatment is a combination of a suspended growth biological treatment method usually activated sludge with membrane filtration equipment typically low-pressure microfiltration (MF) or ultrafiltration (UF) membranes The membranes are used to perform the critical solid-liquid separation function

Treatment of domestic wastewater with an integrated

Treatment of domestic wastewater with an integrated membrane bioreactor was studied Results showed that average removal efficiency for COD TOC NH4+-N TN and TP were 93 4% 96 2% 97 2% 63 8% and 60 6% respectively In addition sludge activity reduced with the extending of running time

The dynamic membrane forming on the surface of 0 1 mm Dacron mesh was utilized instead of static membrane e g hollow fiber membrane to develop a submerged dynamic membrane bioreactor (DMBR) The DMBR had high quality effluents when treating domestic wastewater at HRT = 3 5 h

A pilot-scale submerged membrane bioreactor was used for the treatment of domestic wastewater in order to study the influence of the variations in the concentration of volatile suspended solids (VSS) on the enzymatic activities (acid and alkaline phosphatases glucosidase protease esterase and dehydrogenase) and biodiversity of the bacterial community in the sludge

Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a biological wastewater treatment process the activated sludge process It is now widely used for municipal and industrial wastewater treatment especially for domestic wastewater

Psychrophilic anaerobic dynamic membrane bioreactor Wastewater treatment Organic loading Biogas production Membrane fouling ABSTRACT Two upflow anaerobic dynamic membrane bioreactors (AnDMBRs) with and without sludge recycling were operated in parallel at varied organic loadings and psychrophilic temperature for domestic wastewater treat-ment

Entrapped cells

Entrapped cells-based-anaerobic membrane bioreactor treating domestic wastewater: Performances fouling and bacterial community structure Juntawang C(1) Rongsayamanont C(2) Khan E(3) Author information: (1)Environmental and Conservation Sciences Program North Dakota State University Fargo ND 58108 USA

A membrane bioreactor (MBR) is a wastewater treatment process combining membrane filtration with biological treatment This innovative technology offers several advantages compared with the conventionally activated sludge process Among these advantages are higher biomass concentration eliminating the needs of secondary clarifiers and improved

Similar results have also been reported by Invitzky et al 40 using a cross-flow laboratory system although a different membrane type (NF) feed wastewater (membrane bioreactor-treated domestic wastewater effluent) and operation conditions were used As expected the decline in the membrane flux was negatively correlated with the increase in

The effects of solid retention times (SRTs) (100 days 50 days 25 days) on the performance microbial community and membrane fouling of a lab-scale anaerobic yttria-based ceramic membrane bioreactor (AnCMBR) treating synthetic domestic wastewater at ambient temperature (31 2 2 7 C) were examined The soluble chemical oxygen demand (SCOD) removal was higher (89 6%) at 25 days

Recent technical innovations and significant cost reductions have sharply increased the potential for using Membrane Bioreactor (MBR) technology in municipal wastewater treatment MBR technology displays several advantages compared to the traditional activated sludge processes such as high effluent quality limited space requirement and with the possibility of a flexible and

Anaerobic membrane bioreactor treatment of domestic wastewater at psychrophilic temperatures ranging from 15 C to 3 C† A L Smith‡ a S J Skerlos ab and L Raskin * a a Department of Civil and Environmental Engineering University of Michigan 2350 Hayward Road Ann Arbor MI 48109 USA

processes Article Membrane Fouling Characteristics of a Side-Stream Tubular Anaerobic Membrane Bioreactor (AnMBR) Treating Domestic Wastewater Nsanzumukiza Martin Vincent 1 2 3 ID Juan Tong 1 2 3 Dawei Yu 1 2 3 Junya Zhang 1 2 3 and Yuansong Wei 1 2 3 4 * ID 1 State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental Sciences

A seawater desalination method of the present invention includes the steps of: obtaining ultrafiltration membrane-treated water by subjecting seawater ( 2 ) to an ultrafiltration membrane treatment obtaining membrane bioreactor-treated water by subjecting organic wastewater ( 1 ) to a membrane bioreactor treatment obtaining mixed water by mixing the ultrafiltration membrane-treated water and

Membrane biofilm development improves COD removal in

Membrane biofilm development was evaluated to improve psychrophilic (15C) anaerobic membrane bioreactor (AnMBR) treatment of domestic wastewater An AnMBR containing three replicate submerged membrane housings with separate permeate collection was operated at three levels of membrane fouling by independently controlling biogas sparging for

1 PROLONGED REUSE OF DOMESTIC WASTEWATER AFTER MEMBRANE BIOREACTOR TREATMENT Okan Tarık Komesli1 Melis Muz2 Selcen Ak2 Celal Ferdi Gkay2 1Ataturk University Department of Environmental Engineering 25240 Erzurum TURKEY e-mails: okan komesligmail Tel:+90442 231 4822 2Middle East Technical University Department of Environmental Engineering

Membrane bioreactor (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a biological wastewater treatment process the activated sludge process It is now widely used for municipal and industrial wastewater treatment especially for domestic wastewater

Anaerobic membrane bioreactors have potential for energy-efficient treatment of domestic and other wastewaters membrane fouling being a major hurdle to application It was found that fouling can be controlled if membranes are placed directly in contact with the granular activated carbon (GAC) in an anaerobic fluidized bed bioreactor (AFMBR) used here for post-treatment of effluent from

Treatment of domestic wastewater with an integrated membrane bioreactor was studied Results showed that average removal efficiency for COD TOC NH4+-N TN and TP were 93 4% 96 2% 97 2% 63 8% and 60 6% respectively In addition sludge activity reduced with the extending of running time

membrane fouling problem that can reduce the perfomance of the system Thus in this study advanced treatment technology in treating synthetic domestic wastewater called Hybrid Attached Growth Membrane Bioreactor (HyAG MBR) is proposed to help minimize and overcome the problem The aim of this study is to find the optimum

A novel baffled osmotic membrane bioreactor microfiltration (OMBR-MF) hybrid system was proposed for the domestic wastewater treatment with specific focus on nutrient and organic micropollutant (OMPs) removal This baffled OMBR-MF hybrid system was first applied in laboratory scale conditions to treat simulated wastewater

membrane bioreactors (MBR) for wastewater treatment and reuse Membrane bioreactors provide the benefits of biological treatment with a physical barrier separation Compared to conventional treatment processes membranes are able to provide better quality effluent with

Recent technical innovations and significant cost reductions have sharply increased the potential for using Membrane Bioreactor (MBR) technology in municipal wastewater treatment MBR technology displays several advantages compared to the traditional activated sludge processes such as high effluent quality limited space requirement and with the possibility of a flexible and

In this review paper Anaerobic Membrane Bioreactor (AnMBR) is considering as highly efficient and reliable technology for organic material removal from wastewater with no additional energy requirement for aeration AnMBR is a combination of conventional anaerobic technology and modern membrane system AnMBR is cost effective alternative technology with pros of anaerobic microbial activity

An integrated anaerobic fluidized-bed membrane bioreactor (IAFMBR) system with granular activated carbon (GAC) as carrier was developed to treat domestic wastewater with energy recovery We investigated a laboratory-scale IAFMBR with chemical oxygen demand (COD) of about 300 mg/L at different hydraulic retention time (HRT) The removal of COD of 75 8% 73 6% and 54 1% was

Membrane bioreactors for wastewater treatment is a combination of a suspended growth biological treatment method usually activated sludge with membrane filtration equipment typically low-pressure microfiltration (MF) or ultrafiltration (UF) membranes The membranes are used to perform the critical solid-liquid separation function

Similar results have also been reported by Invitzky et al 40 using a cross-flow laboratory system although a different membrane type (NF) feed wastewater (membrane bioreactor-treated domestic wastewater effluent) and operation conditions were used As expected the decline in the membrane flux was negatively correlated with the increase in

Dec 10 2014These high removals of organic matter were expected in domestic wastewater treatment with biofilm and membrane technology due to the benefits that biofilm and suspended biomass have to develop different heterotrophic microorganisms capable