Fouling in tangential-flow ultrafiltration: The effect of colloid size and coagulation pretreatment

Lahoussine-Turcaud, V.; Wiesner, Mark R.; Bottero, Jean‐Yves

doi:10.1016/s0376-7388(00)80484-6

Cited by 179 publications

(64 citation statements)

References 14 publications

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“…It is the foundation of several core engineered water treatment processes such as deep bed filtration (Tien and Ramarao 2007) and membrane filtration (Montomery 1985;Mallevialle, Odendaal et al 1996). It helps us as environmental engineers to better understand processes such as ripening (Clark, Lawler et al 1992;Moran, Moran et al 1993) and head---loss buildup (Boller and Kavanaugh 1995;Veerapaneni and Wiesner 1997) in granular filtration, as well as a variety of fouling processes in different kinds of membrane filtration (Wiesner and Mallevialle 1989;Lahoussine---Turcaud and Wiesner 1990;Lim and Bai 2003). Only with a better knowledge about these processes afforded by advanced understanding in the fundamentals of colloidal deposition can we catch the starting point of improving our existing designs on material, system or operation.…”

Section: Overview Of Deposition Studymentioning

confidence: 99%

Deposition of Silver Nanoparticles in Geochemically Heterogeneous Porous Media: Predicting Affinity from Surface Composition Analysis

Lin

Cheng

Bobcombe

et al. 2011

Environ. Sci. Technol.

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This study focused on the effect of surface heterogeneity on the affinity of nanoparticle (for that surface) and the viability of using surface composition analysis to facilitate the prediction of such an affinity. The transport of the uncoated silver nanoparticles (AgNPs) in a porous medium composed of silica glass beads partially covered with iron oxide was studied and compared to that in a porous medium composed of unmodified glass beads (GB). It was found that at relative high pH (8.3) there existed only a small difference in AgNPs mobility in both porous media unless the ionic strength was sufficiently high while at lower pH (5) AgNPs had considerably lower affinity for the GB collectors compared to that of the iron oxide coated glass beads (FeO---GB) collectors, even at relative low ionic strengths. There was a linear correlation between the average nanoparticle affinity for media composed of mixtures of FeO---GB and GB collectors and the relative composition of those media as quantified by the mixing mass ratios of the two types of collectors, so that the average AgNPs affinity for these media is readily predicted from the mass (or surface) weighted average of affinities for each of the surface types. Using X---ray Photoelectron Spectroscopy (XPS) to quantify the composition of the collector surface appears to be a viable means to predict the affinity between the nanoparticles and a collector surface with known composition provided that a relevant correlation curve could be established from measured affinity between v the nanoparticles and collector surfaces with similar but different composition (i.e. surfaces with the same components but different proportion of each component). vi ContentsAbstract

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Section: Overview Of Deposition Studymentioning

confidence: 99%

Deposition of Silver Nanoparticles in Geochemically Heterogeneous Porous Media: Predicting Affinity from Surface Composition Analysis

Lin

Cheng

Bobcombe

et al. 2011

Environ. Sci. Technol.

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“…The measurement of mass and time was started 10-20 s after the beginning of the experiments, which was time interval necessary to adjust a required transmembrane pressure. According to Lahoussine-Turcaud, Wiesner, & Bottero (1990), the flux curve can be devided in two domains. Domain 1 corresponds to the initial flux decline for t → 0 and it involves internal fouling.…”

Section: Influence Of Operating Conditions On the Permeate Fluxmentioning

confidence: 99%

Permeate flux and fouling resistance in ultrafiltration of depectinized apple juice using ceramic membranes

Vladisavljević

Vukosavljević

Bukvić

2003

Journal of Food Engineering

128

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“…These substances are important constituents of the COM, whose molar masses may range from a few hundreds to tens of thousands of daltons and which can be separated by NF (Clark et al, 1991). Lahoussine-Turcaud et al (1990) have shown how ultrafiltration membranes can be very quickly fouled by HS and one can expect that these substances also play an important role in membrane fouling during the NF of surface waters.Cheryan ( 1986) and other membrane researchers recognized that the nature and importance of fouling are strongly affected by the membrane surface properties. For many researchers, contact angle measurements appeared to be a simple method to characterize membrane surfaces.…”

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confidence: 99%

Study of humic acid adsorption on nanofiltration membranes by contact angle measurements

et al. 1997

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Membrane fouling is a major problem, which extent depends on the respective natures of the solute and membrane material. Membrane surface characterization under different fouling conditions may help in understanding the fouling mechanism. Such characterization was performed for the case of humic substances filtered on two nanofiltration membranes, using special contact angles measurements. The measured contact angles allowed the calculation of polar and non-polar contributions to the surface energy of dry, hydrated and fouled membranes. The results reveal significant differences in the two membrane behaviours and information about the way that fouling material may be adsorbed on menibrane surface. Le Keywords: humic acid, adsorption, contact angle, nanofiltration, membrane fouling.or the drinking water industry, improvement of the F removal of colloidal organic matter (COM) prior to the disinfection step is currently an important issue. Among the different removal methods, nanofiltration (NF) is becoming a more and more attractive alternative, because it is a compact, safe and easy-to-control process which allows the production of a high quality water. Despite all its advantages, the application of NF is partially restricted by the problem of membrane fouling which makes the permeate flow decrease with time and which increases the membrane cleaning frequency, especially in the case of surface water (Taylor et al., 1992). Humic substances (HS) are among the suspected fouling agents. These substances are important constituents of the COM, whose molar masses may range from a few hundreds to tens of thousands of daltons and which can be separated by NF (Clark et al., 1991). Lahoussine-Turcaud et al. (1990) have shown how ultrafiltration membranes can be very quickly fouled by HS and one can expect that these substances also play an important role in membrane fouling during the NF of surface waters.Cheryan ( 1986) and other membrane researchers recognized that the nature and importance of fouling are strongly affected by the membrane surface properties. For many researchers, contact angle measurements appeared to be a simple method to characterize membrane surfaces. Oldani and Schock (1989) characterized dry membranes by the conventional sessile drop method. Jucker and Clark (1994) used the same technique to characterize membrane surfaces at different levels of HS static adsorption. They observed *Author to whom correspondence should be addressed. E-mail address: cbouchar@gci.ulaval.ca that upon adsorption of HS, the membranes become more hydrophilic. Zhang and Hallstrom (1990) used the air captive bubble technique to measure the advancing and the retreating contact angles which, respectively, correspond to a decreasing and to an increasing air bubble base surface. They observed hysteresis effects which may be due to the membrane rugosity. More recently, Zanders et al. (1995) used the same technique to study the effect of the water pH and ionic strength on membrane surface properties. Keurentjes et al. (1989) used ...

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Fouling in tangential-flow ultrafiltration: The effect of colloid size and coagulation pretreatment

Cited by 179 publications

References 14 publications

Deposition of Silver Nanoparticles in Geochemically Heterogeneous Porous Media: Predicting Affinity from Surface Composition Analysis

Deposition of Silver Nanoparticles in Geochemically Heterogeneous Porous Media: Predicting Affinity from Surface Composition Analysis

Permeate flux and fouling resistance in ultrafiltration of depectinized apple juice using ceramic membranes

Study of humic acid adsorption on nanofiltration membranes by contact angle measurements

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