Clathrate hydrate formation enhances near-critical and supercritical solvent extraction equilibria

Richard Willson, Eric Bulots, Charles L. Cooney

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Pre-concentration of dilute aqueous solutions by hydrate formation can improve the effective distribution coefficient and selectivity of solvent extraction. Many solvents can serve simultaneously to promote solution concentration by hydrate formation and also to extract non-polar solutes from the resulting concentrated solution. This concept is illustrated for systems with supercritical ethylene and with near-critical liquid carbon dioxide, and its application to conventional solvents is discussed.

Original languageEnglish (US)
Pages (from-to)47-55
Number of pages9
JournalChemical Engineering Communications
Volume95
Issue number1
DOIs
StatePublished - Oct 1 1990

Keywords

  • Clathrate Hydrate Supercritical Extraction

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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