Monitoring and control of biofouling in nanofiltration and reverse osmosis membranes

J. S. Vrouwenvelder; C. Hinrichs; A. R. Sun; F. Royer; J. A.M. van Paassen; S. M. Bakker; W. G.J. van der Meer; J. C. Kruithof; M. C.M. van Loosdrecht

doi:10.2166/ws.2008.091

Monitoring and control of biofouling in nanofiltration and reverse osmosis membranes

J. S. Vrouwenvelder^*, C. Hinrichs, A. R. Sun, F. Royer, J. A.M. van Paassen, S. M. Bakker, W. G.J. van der Meer, J. C. Kruithof, M. C.M. van Loosdrecht

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Water quality parameters such as ATP, total direct cell counts, AOC, biofilm formation rate and destructive membrane studies are not suitable for biofouling monitoring and prediction. Therefore, a monitor named membrane fouling simulator was developed. in a comparison study, the same feed channel pressure drop development in time and the same fouling accumulation was observed in spiral wound membrane elements and membrane fouling simulators. Chemical dosing to the membrane fouling simulator feed water showed that a biofouling inhibitor was not inhibiting biofouling, but was even contributing to biofouling. it is shown that other chemicals such as acid and antiscalants may contribute to biofouling as well. it was found that the feed spacer presence strongly influences the feed spacer channel pressure drop increase caused by biofilm accumulation: in nanofiltration and reverse osmosis systems biofouling is a feed spacer problem. A new set of monitors for membrane fouling studies and methods for biofouling monitoring are described. A state of the art on global membrane fouling simulator use is given.

Original language	English (US)
Pages (from-to)	449-458
Number of pages	10
Journal	Water Science and Technology: Water Supply
Volume	8
Issue number	4
DOIs	https://doi.org/10.2166/ws.2008.091
State	Published - 2008
Externally published	Yes

Keywords

Biofouling
Feed spacer channel
Membrane fouling simulator
Monitor
NF
Pressure drop
RO

ASJC Scopus subject areas

Water Science and Technology

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10.2166/ws.2008.091

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title = "Monitoring and control of biofouling in nanofiltration and reverse osmosis membranes",

abstract = "Water quality parameters such as ATP, total direct cell counts, AOC, biofilm formation rate and destructive membrane studies are not suitable for biofouling monitoring and prediction. Therefore, a monitor named membrane fouling simulator was developed. in a comparison study, the same feed channel pressure drop development in time and the same fouling accumulation was observed in spiral wound membrane elements and membrane fouling simulators. Chemical dosing to the membrane fouling simulator feed water showed that a biofouling inhibitor was not inhibiting biofouling, but was even contributing to biofouling. it is shown that other chemicals such as acid and antiscalants may contribute to biofouling as well. it was found that the feed spacer presence strongly influences the feed spacer channel pressure drop increase caused by biofilm accumulation: in nanofiltration and reverse osmosis systems biofouling is a feed spacer problem. A new set of monitors for membrane fouling studies and methods for biofouling monitoring are described. A state of the art on global membrane fouling simulator use is given.",

keywords = "Biofouling, Feed spacer channel, Membrane fouling simulator, Monitor, NF, Pressure drop, RO",

author = "Vrouwenvelder, {J. S.} and C. Hinrichs and Sun, {A. R.} and F. Royer and {van Paassen}, {J. A.M.} and Bakker, {S. M.} and {van der Meer}, {W. G.J.} and Kruithof, {J. C.} and {van Loosdrecht}, {M. C.M.}",

year = "2008",

doi = "10.2166/ws.2008.091",

language = "English (US)",

volume = "8",

pages = "449--458",

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AU - Vrouwenvelder, J. S.

AU - Hinrichs, C.

AU - Sun, A. R.

AU - Royer, F.

AU - van Paassen, J. A.M.

AU - Bakker, S. M.

AU - van der Meer, W. G.J.

AU - Kruithof, J. C.

AU - van Loosdrecht, M. C.M.

PY - 2008

Y1 - 2008

N2 - Water quality parameters such as ATP, total direct cell counts, AOC, biofilm formation rate and destructive membrane studies are not suitable for biofouling monitoring and prediction. Therefore, a monitor named membrane fouling simulator was developed. in a comparison study, the same feed channel pressure drop development in time and the same fouling accumulation was observed in spiral wound membrane elements and membrane fouling simulators. Chemical dosing to the membrane fouling simulator feed water showed that a biofouling inhibitor was not inhibiting biofouling, but was even contributing to biofouling. it is shown that other chemicals such as acid and antiscalants may contribute to biofouling as well. it was found that the feed spacer presence strongly influences the feed spacer channel pressure drop increase caused by biofilm accumulation: in nanofiltration and reverse osmosis systems biofouling is a feed spacer problem. A new set of monitors for membrane fouling studies and methods for biofouling monitoring are described. A state of the art on global membrane fouling simulator use is given.

AB - Water quality parameters such as ATP, total direct cell counts, AOC, biofilm formation rate and destructive membrane studies are not suitable for biofouling monitoring and prediction. Therefore, a monitor named membrane fouling simulator was developed. in a comparison study, the same feed channel pressure drop development in time and the same fouling accumulation was observed in spiral wound membrane elements and membrane fouling simulators. Chemical dosing to the membrane fouling simulator feed water showed that a biofouling inhibitor was not inhibiting biofouling, but was even contributing to biofouling. it is shown that other chemicals such as acid and antiscalants may contribute to biofouling as well. it was found that the feed spacer presence strongly influences the feed spacer channel pressure drop increase caused by biofilm accumulation: in nanofiltration and reverse osmosis systems biofouling is a feed spacer problem. A new set of monitors for membrane fouling studies and methods for biofouling monitoring are described. A state of the art on global membrane fouling simulator use is given.

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Monitoring and control of biofouling in nanofiltration and reverse osmosis membranes

Abstract

Keywords

ASJC Scopus subject areas

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