Membrane-assisted VOC removal from aqueous acrylic latex

Bridget Ulrich, Timothy C. Frank, Alon McCormick, E. L. Cussler

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Volatile organic compounds (VOCs) in model aqueous solutions and in acrylic latex binder used for formulating latex paint can be stripped without foaming by using a nanoporous hydrophobic polypropylene membrane. The stripping gas employed was dry, room temperature nitrogen or 50. °C water-saturated air. For the dry nitrogen stripping gas, fouling was minimal for the hydrophobic polypropylene over several days, in sharp contrast to experiments with hydrophilic membranes. No fouling of the polypropylene membrane was observed for experiments with the water-saturated strip gas. The rate of VOC removal in these experiments depends on mass transfer in the aqueous latex and in the membrane. These results allow estimates of the membrane area to strip VOCs from commercially relevant quantities of acrylic latex paint.

Original languageEnglish (US)
Pages (from-to)426-432
Number of pages7
JournalJournal of Membrane Science
Volume452
DOIs
StatePublished - Feb 15 2014

Bibliographical note

Funding Information:
The authors are indebted to W.A. Arnold, M.L. Trippeer, and Grant A. Von Wald for helpful discussions, and to Andrew Wagner for help with preliminary experiments. This work was supported by the Dow Chemical Company .

Keywords

  • Latex paint
  • Porous membranes
  • Volatile organic compounds

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