Solid Solubilities Of Naphthalene And Biphenyl In Supercritical Carbon Dioxide

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Abstract

Solid solubilities of naphthalene and biphenyl in supercritical carbon dioxide were measured at various Isotherms above 31.06 °C—the critical temperature of CO2—and over a range of pressures from 80 to 500 atm. The upper critical end point for the naphthalene-carbon dioxide system Is estimated from the solubility data to be 63 °C, 240 atm, and a naphthalene mole fraction of 0.16. The upper critical end-point temperature for the biphenyl-carbon dioxide system Is ˜56 °C and at a pressure near 460 atm. The biphenyl mole fraction at the upper critical end point (UCEP) Is ˜0.1.6.

Original languageEnglish (US)
Pages (from-to)326-329
Number of pages4
JournalJournal of Chemical and Engineering Data
Volume25
Issue number4
DOIs
StatePublished - Oct 1 1980
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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