Periodic air/water cleaning for control of biofouling in spiral wound membrane elements

E. R. Cornelissen; J. S. Vrouwenvelder; S. G.J. Heijman; X. D. Viallefont; D. Van Der Kooij; L. P. Wessels

doi:10.1016/j.memsci.2006.10.023

Periodic air/water cleaning for control of biofouling in spiral wound membrane elements

E. R. Cornelissen^*, J. S. Vrouwenvelder, S. G.J. Heijman, X. D. Viallefont, D. Van Der Kooij, L. P. Wessels

^*Corresponding author for this work

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

114 Scopus citations

Abstract

The main problem during the operation of nanofiltration or reverse osmosis membrane plants is fouling of feed spacers in membrane elements due to biofouling and particulate fouling. In order to control biofouling and particulate fouling in membrane elements, both daily air/water cleaning (AWC) and daily copper sulphate dosing (CSD) were investigated and compared to a reference without daily cleaning. A pilot study was carried out for 110 days with three parallel spiral wound membrane elements; AWC, CSD and the reference which were fed by tap water enriched with a biodegradable compound (100 μg acetate-C/L). The CSD element, which combined daily copper sulphate dosing and sporadically air/water cleaning, performed best with an increase in pressure drop of 18% and a biomass concentration of 8000 pg ATP/cm² within 110 days. This was followed by the AWC element with a pressure increase of 37% and biomass concentration of 20,000 pg ATP/cm² within 110 days. The reference element showed a pressure increase of 120% within 21 days. The presented approach is considered very successful in controlling particulate fouling and biofouling, especially when air/water cleaning is combined with copper sulphate dosing.

Original language	English (US)
Pages (from-to)	94-101
Number of pages	8
Journal	Journal of Membrane Science
Volume	287
Issue number	1
DOIs	https://doi.org/10.1016/j.memsci.2006.10.023
State	Published - Jan 5 2007
Externally published	Yes

Keywords

Air/water cleaning
Biofouling
Membrane cleaning
Particulate fouling

ASJC Scopus subject areas

Biochemistry
General Materials Science
Physical and Theoretical Chemistry
Filtration and Separation

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10.1016/j.memsci.2006.10.023

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title = "Periodic air/water cleaning for control of biofouling in spiral wound membrane elements",

abstract = "The main problem during the operation of nanofiltration or reverse osmosis membrane plants is fouling of feed spacers in membrane elements due to biofouling and particulate fouling. In order to control biofouling and particulate fouling in membrane elements, both daily air/water cleaning (AWC) and daily copper sulphate dosing (CSD) were investigated and compared to a reference without daily cleaning. A pilot study was carried out for 110 days with three parallel spiral wound membrane elements; AWC, CSD and the reference which were fed by tap water enriched with a biodegradable compound (100 μg acetate-C/L). The CSD element, which combined daily copper sulphate dosing and sporadically air/water cleaning, performed best with an increase in pressure drop of 18% and a biomass concentration of 8000 pg ATP/cm2 within 110 days. This was followed by the AWC element with a pressure increase of 37% and biomass concentration of 20,000 pg ATP/cm2 within 110 days. The reference element showed a pressure increase of 120% within 21 days. The presented approach is considered very successful in controlling particulate fouling and biofouling, especially when air/water cleaning is combined with copper sulphate dosing.",

keywords = "Air/water cleaning, Biofouling, Membrane cleaning, Particulate fouling",

author = "Cornelissen, {E. R.} and Vrouwenvelder, {J. S.} and Heijman, {S. G.J.} and Viallefont, {X. D.} and {Van Der Kooij}, D. and Wessels, {L. P.}",

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AU - Cornelissen, E. R.

AU - Vrouwenvelder, J. S.

AU - Heijman, S. G.J.

AU - Viallefont, X. D.

AU - Van Der Kooij, D.

AU - Wessels, L. P.

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N2 - The main problem during the operation of nanofiltration or reverse osmosis membrane plants is fouling of feed spacers in membrane elements due to biofouling and particulate fouling. In order to control biofouling and particulate fouling in membrane elements, both daily air/water cleaning (AWC) and daily copper sulphate dosing (CSD) were investigated and compared to a reference without daily cleaning. A pilot study was carried out for 110 days with three parallel spiral wound membrane elements; AWC, CSD and the reference which were fed by tap water enriched with a biodegradable compound (100 μg acetate-C/L). The CSD element, which combined daily copper sulphate dosing and sporadically air/water cleaning, performed best with an increase in pressure drop of 18% and a biomass concentration of 8000 pg ATP/cm2 within 110 days. This was followed by the AWC element with a pressure increase of 37% and biomass concentration of 20,000 pg ATP/cm2 within 110 days. The reference element showed a pressure increase of 120% within 21 days. The presented approach is considered very successful in controlling particulate fouling and biofouling, especially when air/water cleaning is combined with copper sulphate dosing.

AB - The main problem during the operation of nanofiltration or reverse osmosis membrane plants is fouling of feed spacers in membrane elements due to biofouling and particulate fouling. In order to control biofouling and particulate fouling in membrane elements, both daily air/water cleaning (AWC) and daily copper sulphate dosing (CSD) were investigated and compared to a reference without daily cleaning. A pilot study was carried out for 110 days with three parallel spiral wound membrane elements; AWC, CSD and the reference which were fed by tap water enriched with a biodegradable compound (100 μg acetate-C/L). The CSD element, which combined daily copper sulphate dosing and sporadically air/water cleaning, performed best with an increase in pressure drop of 18% and a biomass concentration of 8000 pg ATP/cm2 within 110 days. This was followed by the AWC element with a pressure increase of 37% and biomass concentration of 20,000 pg ATP/cm2 within 110 days. The reference element showed a pressure increase of 120% within 21 days. The presented approach is considered very successful in controlling particulate fouling and biofouling, especially when air/water cleaning is combined with copper sulphate dosing.

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Periodic air/water cleaning for control of biofouling in spiral wound membrane elements

Abstract

Keywords

ASJC Scopus subject areas

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