About: Separation of Aqueous Dye/Salt Mixtures by Nanofiltration: Effect of Operating Conditions and Analysis of Negative Salt Rejection     Goto   Sponge   Distinct   Permalink

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Description
  • Byl studován proces odsolování vodných roztoků barvivo/sůl nanofiltrací polymerními membránami v komerčně dostupných modulech. Je ukázán vliv koncentrace barviva a soli na rejekci soli a intenzitu toku permeátu a jsou porovnány jednotlivé NF membrány pro účely odsolování. Pro účely předpovědi rejekce soli byl použit rozšířený Spiegler-Kedemům model zahrnující mechanismus Donnanovy excluse a člen s koncentrační závislostí permeability soli. Experimentální výsledky vykazují záporné hodnoty rejekce soli v průběhu odsolování (obr. 1) a vliv tohoto jevu na intenzitu toku permeátu. Ukázalo se, že rozšířený Spiegler-Kedemům model zahrnující mechanismus Donnanovy excluse může dostatečně přesně předpovědět rejekce soli dokonce při vysokých koncentracích typických při procesu odsolování. (cs)
  • The process of desalination of aqueous dye/salt solutions by polymeric nanofiltration membranes using commercially available modules was studied. The influence of dye and salt concentration on the salt rejection and flux as well as comparison of individual NF membranes for desalting purposes is presented. Extended Spiegler-Kedem model including Donnan exclusion mechanism and the term of concentration dependence of salt permeability was used for prediction of salt rejection.The experimental results show negative salt rejections during the desalination (see Fig. 1) and the influence of this phenomenon on permeate flux. It was also shown that extended Spiegler-Kedem model including Donnan exclusion mechanism can sufficiently predict salt rejections even at high concentration typical for desalting process.
  • The process of desalination of aqueous dye/salt solutions by polymeric nanofiltration membranes using commercially available modules was studied. The influence of dye and salt concentration on the salt rejection and flux as well as comparison of individual NF membranes for desalting purposes is presented. Extended Spiegler-Kedem model including Donnan exclusion mechanism and the term of concentration dependence of salt permeability was used for prediction of salt rejection.The experimental results show negative salt rejections during the desalination (see Fig. 1) and the influence of this phenomenon on permeate flux. It was also shown that extended Spiegler-Kedem model including Donnan exclusion mechanism can sufficiently predict salt rejections even at high concentration typical for desalting process. (en)
Title
  • Separation of Aqueous Dye/Salt Mixtures by Nanofiltration: Effect of Operating Conditions and Analysis of Negative Salt Rejection
  • Separation of Aqueous Dye/Salt Mixtures by Nanofiltration: Effect of Operating Conditions and Analysis of Negative Salt Rejection (en)
  • Separace vodných směsí barvivo/sůl pomocí nanofiltrace: Vliv provozních podmínek a analýza záporné rejekce soli (cs)
skos:prefLabel
  • Separation of Aqueous Dye/Salt Mixtures by Nanofiltration: Effect of Operating Conditions and Analysis of Negative Salt Rejection
  • Separation of Aqueous Dye/Salt Mixtures by Nanofiltration: Effect of Operating Conditions and Analysis of Negative Salt Rejection (en)
  • Separace vodných směsí barvivo/sůl pomocí nanofiltrace: Vliv provozních podmínek a analýza záporné rejekce soli (cs)
skos:notation
  • RIV/00216275:25310/04:00001508!RIV08-MSM-25310___
http://linked.open.../vavai/riv/strany
  • 627-636
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 253100001)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
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  • 585933
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/04:00001508
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • nanofiltration; negative salt rejection (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [B67202559D62]
http://linked.open...i/riv/mistoVydani
  • Hamburk
http://linked.open...i/riv/nazevZdroje
  • Proceedings of EUROMEMBRANE 2004
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Mikulášek, Petr
  • Kušnierik, O.
http://linked.open...n/vavai/riv/zamer
number of pages
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  • TuTech Innovation GmbH & Hamburg Innovation GmbH
https://schema.org/isbn
  • 3-930400-65-0
http://localhost/t...ganizacniJednotka
  • 25310
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