The influence of surfactant on water flux through microfiltration membranes

Robert Field, Song Hang, Tom Arnot

Research output: Contribution to journalArticle

Abstract

The influence of different types of surfactants on two types of microfiltration membranes was investigated for different pore sizes and membrane usage. The surfactants were an anionic (sodium lauryl sulphate) surfactant and two non-ionic surfactants of which one [poly(ethylene glyco1)2025] has an inverted cloud point. The other was polyoxyethylene sorbitan monooleate (Tween 80). The chosen microfiltration membranes are commercially available Ceramesh and PVDF [poly (vinylidene fluoride)]. The flux reductions were found to be more pronounced with the latter which is hydrophobic. Below the cloud point the minimum reduction was 20% for the hydrophobic membrane. New and cleaned membranes were studied, the reductions being greater in the former case. Overall the flux reductions were as significant as those found previously for hydrophobic ultrafiltration membranes.
Original languageEnglish
Pages (from-to)291-304
JournalJournal of Membrane Science
Volume86
Issue number3
DOIs
Publication statusPublished - 9 Feb 1994

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Microfiltration
Surface-Active Agents
Surface active agents
surfactants
Fluxes
membranes
Membranes
Water
water
Polysorbates
Nonionic surfactants
Ultrafiltration
Sodium dodecyl sulfate
vinylidene
sodium sulfates
Sodium Dodecyl Sulfate
Polyethylene glycols
Pore size
fluorides
Ethylene

Cite this

The influence of surfactant on water flux through microfiltration membranes. / Field, Robert; Hang, Song; Arnot, Tom.

In: Journal of Membrane Science, Vol. 86, No. 3, 09.02.1994, p. 291-304.

Research output: Contribution to journalArticle

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