Journal ArticleDOI
Industrial Wastewater Treatment in a Membrane Bioreactor: A Review
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A detailed literature review of wastewater treatment in a membrane bioreactor process (MBR) with special focus on industrial wastewater treatment is provided in this paper. But the review is limited to a single application, namely, wastewater treatment.Abstract:
This paper provides a detailed literature review of wastewater treatment in a membrane bioreactor process (MBR) with special focus on industrial wastewater treatment. MBR systems are compared with conventional wastewater treatment systems. The characteristics of the bioreactor treatment process (biomass concentration and floc size, organic and mass loading rates, etc.) are examined. The membrane separation of microorganisms from the treated wastewater is discussed in detail. Problems of membrane fouling and membrane washing and regeneration, linked to activated sludge characteristics, are examined. © 2004 American Institute of Chemical Engineers Environ Prog, 23: 59–68, 2004read more
Citations
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State-of-the-art of membrane bioreactors: worldwide research and commercial applications in north america
Wenbo Yang,Nazim Cicek,John Ilg +2 more
TL;DR: In this article, a review of MBR research efforts in the area of MBRs as well as focus attention to commercial MBR applications in North America is presented. But the primary research focus has been on water filtration MBRs with limited growth in extractive and gas diffusion MBRs which still hold un-tapped potential.
Journal ArticleDOI
The hydrodynamic permeability and surface property of polyethersulfone ultrafiltration membranes with mussel-inspired polydopamine coatings
TL;DR: In this article, the characters of hydrodynamic permeability, surface property, and blood compatibility of polydopamine (PDA) coated polyethersulfone (PES) ultrafiltration (UF) membranes were investigated in detail.
Journal ArticleDOI
Membrane processes in biorefinery applications
TL;DR: In this article, the role of membrane separations within current and future biofuel and biorefinery scenarios is highlighted and a reflection of membrane-based downstream processes required in a biore-finery transforming cellulose into an itaconic acid.
Journal ArticleDOI
Modelling of membrane fouling in a submerged membrane bioreactor
Xiao-yan Li,Xiaomao Wang +1 more
TL;DR: In this article, a mathematical model was developed to model membrane fouling in a submerged membrane bioreactor (SMBR) used for wastewater treatment and reclamation, where the dynamics of the biomass attachment to and detachment from the membrane in relation to the filtration and aeration turbulence were considered in the model formation.
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Preparation and characterization of crosslinked poly(ethylene glycol) diacrylate hydrogels as fouling-resistant membrane coating materials
TL;DR: In this paper, a family of crosslinked poly(ethylene glycol) diacrylate (XLPEGDA) materials was synthesized via free-radical photopolymerization of PEGDA solutions in water.
References
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Critical flux concept for microfiltration fouling
TL;DR: The concept of critical flux is introduced in this article to identify the critical flux and the desirability of starting filtration operations at a low flux, where a flux below which a decline of flux with time does not occur.
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Influence of membrane surface properties on initial rate of colloidal fouling of reverse osmosis and nanofiltration membranes
TL;DR: In this article, the most influential membrane properties governing colloidal fouling rate of reverse osmosis (RO) and nanofiltration (NF) membranes were identified for physical surface morphology, surface chemical properties, surface zeta potential, and specific surface chemical structure.
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Direct Solid-Liquid Separation Using Hollow Fiber Membrane in an Activated Sludge Aeration Tank
TL;DR: In this paper, a membrane module with a pore size of 0.1 micron was immersed in the aeration tank and treated water was filtered through the membrane by suction.
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Membrane separation for wastewater reuse in the textile industry
TL;DR: In this paper, a technical and economical analysis of the application of a membrane separation technique for the purification of wastewaters aimed at their reuse is described, where the effluent from dyeing and finishing plants, after activated sludge oxidation, was treated at an 800 l/h by means of sand filtration, followed by a separation in an ultrafiltration membrane module.
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Comparison of the filtration characteristics between attached and suspended growth microorganisms in submerged membrane bioreactor.
TL;DR: Filtration performance proved to depend on the concentration of mixed liquor suspended solids (MLSS), and better filtration performance with suspended growth was explained by the formation of dynamic membranes with suspended Solids.