Dry-cleaning with high-pressure carbon dioxide - The influence of process conditions and various co-solvents (alcohols) on cleaning-results

M. J.E. Van Roosmalen*, G. F. Woerlee, G. J. Witkamp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The influence of the process conditions time and temperature on dry-cleaning results with CO2 has been examined in a 25 1 vessel. The optimal cleaning-time lay between 5 and 20 min. There was not one optimal cleaning temperature; therefore, it is considered to perform the process at room temperature (no use of heating or cooling during the process). For most soils, the use of a co-solvent caused a substantial increase in their removal. Of the co-solvents investigated, 2-propanol was the most suitable.

Original languageEnglish (US)
Pages (from-to)337-344
Number of pages8
JournalJournal of Supercritical Fluids
Volume27
Issue number3
DOIs
StatePublished - Dec 2003
Externally publishedYes

Bibliographical note

Funding Information:
We wish to thank the Ministry of Economic Affairs; The Ministry of Housing, Spatial Planning and Environment; and the Ministry of Education, Culture and Science for the financial support of the project EET K98044. Furthermore, we would like to thank Alex Breijer, Jan Willem van Ganswijk and Maarten Wichhart for their contribution to this paper.

Keywords

  • Alcohols
  • Carbon dioxide
  • Co-solvents
  • Dry-cleaning
  • Process conditions

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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