Capillary hollow fiber nanofiltration membranes

M.J.W. Frank, M.J.W. Frank, G. Bargeman, A. Zwijnenburg, Matthias Wessling

Research output: Contribution to journalArticleAcademicpeer-review

48 Citations (Scopus)

Abstract

Spiral-wound modules generally have high packing densities, low costs, but require extensive feedwater pretreatment and have a high fouling potential. Tubular membrane modules have beneficial fouling properties, can be backflushed, but have low packing densities and are expensive. Both module types exist for the nanofiltration process. However, the membrane module type combining the superior properties of both types, namely capillary hollow fiber membrane modules, have not been developed yet. This paper presents the flux and retention performance data of new developed nanofiltration capillary hollow fiber membrane modules. The new modules show retention performances comparable with those of best-performing spiral-wound modules. They can typically be applied for water softening and decoloring. Continuous experiments on surface water and nanofiltration whey permeate demonstrate that the fouling behavior of the new capillary modules is indeed better than the spiral-wound modules due to its well-defined feed channel geometry.
Original languageUndefined
Pages (from-to)499-506
Number of pages8
JournalSeparation and purification technology
Volume22
Issue number23
DOIs
Publication statusPublished - 2001

Keywords

  • Water softening
  • Nanofiltration
  • Capillary hollow fiber module
  • Fouling
  • Water decoloring
  • METIS-201930
  • IR-36405
  • Spiral-wound module

Cite this

Frank, M.J.W. ; Frank, M.J.W. ; Bargeman, G. ; Zwijnenburg, A. ; Wessling, Matthias. / Capillary hollow fiber nanofiltration membranes. In: Separation and purification technology. 2001 ; Vol. 22, No. 23. pp. 499-506.
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Capillary hollow fiber nanofiltration membranes. / Frank, M.J.W.; Frank, M.J.W.; Bargeman, G.; Zwijnenburg, A.; Wessling, Matthias.

In: Separation and purification technology, Vol. 22, No. 23, 2001, p. 499-506.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Capillary hollow fiber nanofiltration membranes

AU - Frank, M.J.W.

AU - Frank, M.J.W.

AU - Bargeman, G.

AU - Zwijnenburg, A.

AU - Wessling, Matthias

PY - 2001

Y1 - 2001

N2 - Spiral-wound modules generally have high packing densities, low costs, but require extensive feedwater pretreatment and have a high fouling potential. Tubular membrane modules have beneficial fouling properties, can be backflushed, but have low packing densities and are expensive. Both module types exist for the nanofiltration process. However, the membrane module type combining the superior properties of both types, namely capillary hollow fiber membrane modules, have not been developed yet. This paper presents the flux and retention performance data of new developed nanofiltration capillary hollow fiber membrane modules. The new modules show retention performances comparable with those of best-performing spiral-wound modules. They can typically be applied for water softening and decoloring. Continuous experiments on surface water and nanofiltration whey permeate demonstrate that the fouling behavior of the new capillary modules is indeed better than the spiral-wound modules due to its well-defined feed channel geometry.

AB - Spiral-wound modules generally have high packing densities, low costs, but require extensive feedwater pretreatment and have a high fouling potential. Tubular membrane modules have beneficial fouling properties, can be backflushed, but have low packing densities and are expensive. Both module types exist for the nanofiltration process. However, the membrane module type combining the superior properties of both types, namely capillary hollow fiber membrane modules, have not been developed yet. This paper presents the flux and retention performance data of new developed nanofiltration capillary hollow fiber membrane modules. The new modules show retention performances comparable with those of best-performing spiral-wound modules. They can typically be applied for water softening and decoloring. Continuous experiments on surface water and nanofiltration whey permeate demonstrate that the fouling behavior of the new capillary modules is indeed better than the spiral-wound modules due to its well-defined feed channel geometry.

KW - Water softening

KW - Nanofiltration

KW - Capillary hollow fiber module

KW - Fouling

KW - Water decoloring

KW - METIS-201930

KW - IR-36405

KW - Spiral-wound module

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