Removal of solid organic films from rotating disks using emulsion cleaners

J. A. Kabin, S. T. Withers, C. S. Grant, R. G. Carbonell, Avelino E Saez

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Measurements have been made of the rate of removal of a solid organic film (phenanthrene) from the surface of a rotating disk using emulsions containing water, the nonionic surfactant Tween 20, and d-limonene as the organic phase. The results show that phenanthrene removal initially occurs by the uptake of phenanthrene into the emulsion drops as small aggregates. Simultaneously, the organic phase penetrates into the phenanthrene film, diminishing the adhesive force between the film and the substrate. After sufficient time, the phenanthrene film detaches from the rotating disk surface as a solid. This detachment mechanism accounts for the vast majority of the phenanthrene removal (~90%). Initial solubilization rates were analyzed using two solubilization models. Both models assume that phenanthrene removal occurs via a mass transfer limited removal of phenanthrene-laden emulsion drops from the phenanthrene film surface into the bulk solution. One model treats the emulsion as homogeneous while the other accounts for the finite size of the emulsion droplets. The latter model was also used to relate the flux of organic phase impacting the phenanthrene film to the detachment times. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)344-358
Number of pages15
JournalJournal of Colloid and Interface Science
Volume228
Issue number2
DOIs
StatePublished - Aug 15 2000

Fingerprint

organic solids
cleaners
phenanthrene
rotating disks
Rotating disks
Emulsions
emulsions
detachment
Nonionic surfactants
Adhesives
Mass transfer
Polysorbates
Fluxes
adhesives
mass transfer
Substrates
surfactants
Water

Keywords

  • Cleaning
  • Emulsion
  • Phenanthrene
  • Rotating disk
  • Solubilization

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry
  • Surfaces and Interfaces

Cite this

Removal of solid organic films from rotating disks using emulsion cleaners. / Kabin, J. A.; Withers, S. T.; Grant, C. S.; Carbonell, R. G.; Saez, Avelino E.

In: Journal of Colloid and Interface Science, Vol. 228, No. 2, 15.08.2000, p. 344-358.

Research output: Contribution to journalArticle

Kabin, J. A. ; Withers, S. T. ; Grant, C. S. ; Carbonell, R. G. ; Saez, Avelino E. / Removal of solid organic films from rotating disks using emulsion cleaners. In: Journal of Colloid and Interface Science. 2000 ; Vol. 228, No. 2. pp. 344-358.
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