<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The efficiency of lactic acid solutions nanofiltration with dynamically formed zirconium (IV) hydrous oxide polyacrylate (ZrIV/PAA) membranes application were considered in this paper. The results of investigations on flux decline in nanofiltration of lactic acid solutions under conditions resulting in low and high lactic acid rejection are reported. In the long term experimental research on pressure driven membrane processes the main reason of permeate flux reduction is an accumulation of concentration polarization and fouling effects. The experimental permeate flux versus time curves were analyzed in the frame of resistance-in-series model with the aim to develop the characteristic fouling and concentration polarization resistances. The analysis of experimental data and results of calculations showed that both: concentration polarization and fouling phenomena in investigated system depend on hydrodynamic conditions and properties of filtered solutions and (ZrIV/PAA) membrane.</p></abstract>

The efficiency of lactic acid solutions nanofiltration with dynamically formed zirconium (IV) hydrous oxide polyacrylate (ZrIV/PAA) membranes application were considered in this paper. The results of investigations on flux decline in nanofiltration of lactic acid solutions under conditions resulting in low and high lactic acid rejection are reported. In the long term experimental research on pressure driven membrane processes the main reason of permeate flux reduction is an accumulation of concentration polarization and fouling effects. The experimental permeate flux versus time curves were analyzed in the frame of resistance-in-series model with the aim to develop the characteristic fouling and concentration polarization resistances. The analysis of experimental data and results of calculations showed that both: concentration polarization and fouling phenomena in investigated system depend on hydrodynamic conditions and properties of filtered solutions and (ZrIV/PAA) membrane.

Research on flux decline in nanofiltration of lactic acid solutions with ZRIV/PAA membranes application

West Pomeranian University of Technology, Szczecin, Faculty of Chemical Technology and Engineering, Chemical Engineering and Environmental Protection Institute, al. Piastów 42, 71-065 Szczecin,

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The efficiency of lactic acid solutions nanofiltration with dynamically formed zirconium (IV) hydrous oxide polyacrylate (ZrIV/PAA) membranes application were...

Research on flux decline in nanofiltration of lactic acid solutions with ZRIV/PAA membranes application

Online veröffentlicht: 13. Okt. 2016

Seitenbereich: 17 - 21

DOI: https://doi.org/10.1515/pjct-2016-0043

Schlüsselwörter
nanofiltration, dynamically formed membranes, lactic acid, flux decline, resistance in series model

© by Ewa Połom

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Research on flux decline in nanofiltration of lactic acid solutions with ZRIV/PAA membranes application

Online veröffentlicht: 13. Okt. 2016

Seitenbereich: 17 - 21

DOI: https://doi.org/10.1515/pjct-2016-0043

Schlüsselwörternanofiltration, dynamically formed membranes, lactic acid, flux decline, resistance in series model

© by Ewa Połom

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Schlüsselwörter
nanofiltration, dynamically formed membranes, lactic acid, flux decline, resistance in series model