Modeling of pore blocking and cake layer formation in membrane filtration for wastewater treatment

Broeckmann, Andreas; Busch, Jan; Wintgens, Thomas; Marquardt, Wolfgang

doi:10.1016/j.desal.2005.06.018

Cited by 111 publications

(44 citation statements)

References 15 publications

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“…In order to utilise such mechanistic models for monitoring and control, information on which fouling mechanism is currently dominant and when another mechanism is taking over is needed during the experiment. For this task, automated parameter estimation will be a promising tool [194]. An automated model recognition (AMR) for fouling control based on the above mentioned mechanistic models was developed [51,52,195], which includes parameter identifiability and estimation, as well as an enhanced model discrimination step.…”

Section: Location Of Foulingmentioning

confidence: 99%

Membrane fouling in membrane bioreactors—Characterisation, contradictions, cause and cures

Drews

2010

Journal of Membrane Science

799

329

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Section: Location Of Foulingmentioning

confidence: 99%

Membrane fouling in membrane bioreactors—Characterisation, contradictions, cause and cures

Drews

2010

Journal of Membrane Science

799

329

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“…The improved DOC, UV254 and true colour removal observed with introduction of the 10% FBWW prior to UF treatment compared with the control trials may also have been a result of changes in the permeability of the membrane because of the additional organic loading introduced with the FBWW recycle prior to UF treatment, leading to cake formation or pore blocking on the surface of the membrane (Carroll et al 2000;Schafer 2001;Broeckmann et al 2006). This problem may have prevented the passage of larger NOM molecules that would have gone through the membrane otherwise.…”

Section: % Fbww Recycle Without Coagulation Pretreatment Trialsmentioning

confidence: 95%

Recycle of waste backwash water in ultrafiltration drinking water treatment processes

Gora

Walsh

2011

Journal of Water Supply: Research and Technology-Aqua

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In drinking water treatment, Ultrafiltration (UF) membrane systems are generally operated at 90 to 95% recovery w\th production losses resulting from waste residual streams such as backwash water and clean-in-place (CIP) liquid residuals. In drought-prone regions, it may be desirable to apply alternative UF plant design configurations to increase recovery rates and minimize water loss. This approach could consist of adding a secondary stage UF membrane for treatment of first stage UF residuals, or recycling the first stage UF waste residuals by blending a percentage of the backwash water with the raw water at the front of the treatment train. For small systems, the second option may present a more cost-effective solution. The overall objective of this research project was to investigate the potential impacts to UF permeate water quality and coagulation pretreatment efficacy in a bench-scale submerged UF membrane system operating with and without waste backwash water recycle. The results of the study showed that blending 10% waste backwash water with raw water did not negatively impact UF permeate water quality. The results also demonstrated that recycling waste backwash water prior to coagulation-UF treatment may improve organic removal and reductions in neat coagulant dosage may be possible to achieve specific DBP precursor removal targets.

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“…In recent years, both the fouling of the membrane pores and the cake layer, as well as the pore size and particle size distributions were taken into account in the models, 7,[12][13][14] Especially, the pore blocking mechanism was focused and the simulation results agreed well with the experimental data at the initial filtration stage. However, the joint of pore blocking and cake layer forming is not clear yet.…”

Section: Introductionmentioning

confidence: 94%

Numerical simulation of flux reduction in cross-flow microfiltration considering pore and particle size distribution

Shi

Peng

Chen

et al. 2014

Materials Research Innovations

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Based on the hydrodynamic theory, combining the blocking filtration and cake layer filtration laws, a mathematical model considering pore and particle size distribution was proposed to simulate the cross-flow micro-filtration process. Moreover, this paper explored the effects of the distribution of membrane pore size on the flux mathematically and gave the criterion to decide the finishing of blocking stage and starting of formation of cake layer. The results indicated that the numerical values calculated agree well with experimental data.

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Modeling of pore blocking and cake layer formation in membrane filtration for wastewater treatment

Cited by 111 publications

References 15 publications

Membrane fouling in membrane bioreactors—Characterisation, contradictions, cause and cures

Membrane fouling in membrane bioreactors—Characterisation, contradictions, cause and cures

Recycle of waste backwash water in ultrafiltration drinking water treatment processes

Numerical simulation of flux reduction in cross-flow microfiltration considering pore and particle size distribution

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