Effect of the surface modification of polymer membranes on their microbiological fouling

Viktor Kochkodan, N. Hilal, V. V. Goncharuk, L. Al-Khatib, T. I. Levadna

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Composite polymer membranes with chemically different surfaces are prepared by the photochemical modification of Millipore microfiltration poly(vinylidene fluoride) and polysulfone membranes using 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-hydroxyethyl methacrylate, and 2-(dimethylamino)ethyl methacrylate quaternized with methyl chloride. It is shown that, during the filtration of an E. coli suspension, the membrane flux substantially decreases with time owing to the fouling of the membrane surface by bacterial cells. The membranes with the hydrophilic surface are less susceptible to fouling than hydrophobic membranes, while the ability to recover the performance upon washing is higher for the membranes with a chemically neutral surface than for charged membranes. It is shown that the susceptibility of membranes to microbiological fouling reduces with a decrease in the roughness of the membrane surface. It is established that the membranes modified with the quaternized 2-(dimethylamino)ethyl methacrylate possess antibacterial properties. These membranes proved to be the most efficient in the filtration of natural surface water in a noncontinuous regime, a result that is explained by the ability of membranes to prevent the formation of a fouling biofilm on their surfaces.

Original languageEnglish
Pages (from-to)267-273
Number of pages7
JournalColloid Journal
Volume68
Issue number3
DOIs
Publication statusPublished - May 2006
Externally publishedYes

Fingerprint

fouling
Fouling
Surface treatment
Polymers
membranes
Membranes
polymers
Methyl Chloride
methyl chloride
biofilms
Polysulfones
Microfiltration
washing
Biofilms
vinylidene
surface water
Surface waters
Washing
Escherichia coli
fluorides

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Effect of the surface modification of polymer membranes on their microbiological fouling. / Kochkodan, Viktor; Hilal, N.; Goncharuk, V. V.; Al-Khatib, L.; Levadna, T. I.

In: Colloid Journal, Vol. 68, No. 3, 05.2006, p. 267-273.

Research output: Contribution to journalArticle

Kochkodan, Viktor ; Hilal, N. ; Goncharuk, V. V. ; Al-Khatib, L. ; Levadna, T. I. / Effect of the surface modification of polymer membranes on their microbiological fouling. In: Colloid Journal. 2006 ; Vol. 68, No. 3. pp. 267-273.
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