Fouling behavior during microfiltration of silica nanoparticles and polymeric stabilizers

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

Nanotechnology applications give rise to new forms of water pollution, resulting in a need for reliable technologies that can remove nanoparticles from water. Membrane filtration is an obvious candidate. The tendency of nanoparticles to become instable in suspension and form aggregates strongly influences their filtration behavior. This experimental study investigated fouling and rejection during dead-end microfiltration of sterically stabilized nanoparticles. Polyvinylpyrrolidone (PVP) with different molecular weights at different concentrations was used as model steric stabilizer. The large difference between membrane pore size (~200 nm) and the size of the silica nanoparticles (25 nm) allowed a detailed investigation of the filtration process and fouling development. We characterized the feed solution with optical reflectometry, dynamic light scattering, zeta potential measurements and asymmetric flow field flow fractionation (AF4) combined with static light scattering. Subsequently, we looked at the influence of the steric stabilizer (PVP) on nanoparticle fouling development during pore blocking and cake filtration stages. Our work demonstrates that molecular mass, concentration of the steric stabilizer (PVP) and filtration pressure significantly influence pore blockage and cake filtration. Using a stabilizer with a lower molecular mass generally led to better stabilization of the nanoparticles and the stabilizer contributed less to the fouling. While higher concentrations of the stabilizer enhanced the stability of the nanoparticles, they also caused faster fouling development due to the higher total solute load. Stabilizer with a higher molecular mass was found to contribute more to pore blockage and lead to faster fouling development. Use of a higher transmembrane pressure resulted in compression of the filtration cake, resulting in improved nanoparticle rejection at the expense of permeability.
Original languageEnglish
Pages (from-to)205-215
JournalJournal of membrane science
Volume505
DOIs
Publication statusPublished - 2016

Fingerprint

Microfiltration
fouling
Fouling
Silicon Dioxide
Nanoparticles
Silica
silicon dioxide
nanoparticles
Povidone
Molecular mass
porosity
rejection
light scattering
Field Flow Fractionation
water pollution
membranes
Membranes
Water Pollution
Pressure
Nanotechnology

Keywords

  • METIS-318065
  • IR-101496
  • Silica nanoparticle
  • Fouling
  • Steric stabilization
  • Microfiltration

Cite this

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title = "Fouling behavior during microfiltration of silica nanoparticles and polymeric stabilizers",
abstract = "Nanotechnology applications give rise to new forms of water pollution, resulting in a need for reliable technologies that can remove nanoparticles from water. Membrane filtration is an obvious candidate. The tendency of nanoparticles to become instable in suspension and form aggregates strongly influences their filtration behavior. This experimental study investigated fouling and rejection during dead-end microfiltration of sterically stabilized nanoparticles. Polyvinylpyrrolidone (PVP) with different molecular weights at different concentrations was used as model steric stabilizer. The large difference between membrane pore size (~200 nm) and the size of the silica nanoparticles (25 nm) allowed a detailed investigation of the filtration process and fouling development. We characterized the feed solution with optical reflectometry, dynamic light scattering, zeta potential measurements and asymmetric flow field flow fractionation (AF4) combined with static light scattering. Subsequently, we looked at the influence of the steric stabilizer (PVP) on nanoparticle fouling development during pore blocking and cake filtration stages. Our work demonstrates that molecular mass, concentration of the steric stabilizer (PVP) and filtration pressure significantly influence pore blockage and cake filtration. Using a stabilizer with a lower molecular mass generally led to better stabilization of the nanoparticles and the stabilizer contributed less to the fouling. While higher concentrations of the stabilizer enhanced the stability of the nanoparticles, they also caused faster fouling development due to the higher total solute load. Stabilizer with a higher molecular mass was found to contribute more to pore blockage and lead to faster fouling development. Use of a higher transmembrane pressure resulted in compression of the filtration cake, resulting in improved nanoparticle rejection at the expense of permeability.",
keywords = "METIS-318065, IR-101496, Silica nanoparticle, Fouling, Steric stabilization, Microfiltration",
author = "Krzystof Trzaskus and Aneta Zdeb and {de Vos}, {Wiebe Matthijs} and Kemperman, {Antonius J.B.} and Nijmeijer, {Dorothea C.}",
year = "2016",
doi = "10.1016/j.memsci.2016.01.032",
language = "English",
volume = "505",
pages = "205--215",
journal = "Journal of membrane science",
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Fouling behavior during microfiltration of silica nanoparticles and polymeric stabilizers. / Trzaskus, Krzystof; Zdeb, Aneta; de Vos, Wiebe Matthijs; Kemperman, Antonius J.B.; Nijmeijer, Dorothea C.

In: Journal of membrane science, Vol. 505, 2016, p. 205-215.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Fouling behavior during microfiltration of silica nanoparticles and polymeric stabilizers

AU - Trzaskus, Krzystof

AU - Zdeb, Aneta

AU - de Vos, Wiebe Matthijs

AU - Kemperman, Antonius J.B.

AU - Nijmeijer, Dorothea C.

PY - 2016

Y1 - 2016

N2 - Nanotechnology applications give rise to new forms of water pollution, resulting in a need for reliable technologies that can remove nanoparticles from water. Membrane filtration is an obvious candidate. The tendency of nanoparticles to become instable in suspension and form aggregates strongly influences their filtration behavior. This experimental study investigated fouling and rejection during dead-end microfiltration of sterically stabilized nanoparticles. Polyvinylpyrrolidone (PVP) with different molecular weights at different concentrations was used as model steric stabilizer. The large difference between membrane pore size (~200 nm) and the size of the silica nanoparticles (25 nm) allowed a detailed investigation of the filtration process and fouling development. We characterized the feed solution with optical reflectometry, dynamic light scattering, zeta potential measurements and asymmetric flow field flow fractionation (AF4) combined with static light scattering. Subsequently, we looked at the influence of the steric stabilizer (PVP) on nanoparticle fouling development during pore blocking and cake filtration stages. Our work demonstrates that molecular mass, concentration of the steric stabilizer (PVP) and filtration pressure significantly influence pore blockage and cake filtration. Using a stabilizer with a lower molecular mass generally led to better stabilization of the nanoparticles and the stabilizer contributed less to the fouling. While higher concentrations of the stabilizer enhanced the stability of the nanoparticles, they also caused faster fouling development due to the higher total solute load. Stabilizer with a higher molecular mass was found to contribute more to pore blockage and lead to faster fouling development. Use of a higher transmembrane pressure resulted in compression of the filtration cake, resulting in improved nanoparticle rejection at the expense of permeability.

AB - Nanotechnology applications give rise to new forms of water pollution, resulting in a need for reliable technologies that can remove nanoparticles from water. Membrane filtration is an obvious candidate. The tendency of nanoparticles to become instable in suspension and form aggregates strongly influences their filtration behavior. This experimental study investigated fouling and rejection during dead-end microfiltration of sterically stabilized nanoparticles. Polyvinylpyrrolidone (PVP) with different molecular weights at different concentrations was used as model steric stabilizer. The large difference between membrane pore size (~200 nm) and the size of the silica nanoparticles (25 nm) allowed a detailed investigation of the filtration process and fouling development. We characterized the feed solution with optical reflectometry, dynamic light scattering, zeta potential measurements and asymmetric flow field flow fractionation (AF4) combined with static light scattering. Subsequently, we looked at the influence of the steric stabilizer (PVP) on nanoparticle fouling development during pore blocking and cake filtration stages. Our work demonstrates that molecular mass, concentration of the steric stabilizer (PVP) and filtration pressure significantly influence pore blockage and cake filtration. Using a stabilizer with a lower molecular mass generally led to better stabilization of the nanoparticles and the stabilizer contributed less to the fouling. While higher concentrations of the stabilizer enhanced the stability of the nanoparticles, they also caused faster fouling development due to the higher total solute load. Stabilizer with a higher molecular mass was found to contribute more to pore blockage and lead to faster fouling development. Use of a higher transmembrane pressure resulted in compression of the filtration cake, resulting in improved nanoparticle rejection at the expense of permeability.

KW - METIS-318065

KW - IR-101496

KW - Silica nanoparticle

KW - Fouling

KW - Steric stabilization

KW - Microfiltration

U2 - 10.1016/j.memsci.2016.01.032

DO - 10.1016/j.memsci.2016.01.032

M3 - Article

VL - 505

SP - 205

EP - 215

JO - Journal of membrane science

JF - Journal of membrane science

SN - 0376-7388

ER -