Comparison of the thermodynamics of mixing of titanium tetrachloride and tin tetrachloride with supercritical carbon dioxide

Journal Article · Fri Jan 01 04:00:00 EST 1993 · Separation Science and Technology

DOI:https://doi.org/10.1080/01496399308019510· OSTI ID:145152

Tolley, W K; Izatt, R M; Oscarson, J L; Rowley, R L; Giles, N F ^[1]

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1. Brigham Young Univ., Provo, UT (United States)

Previous studies show that tin tetrachloride and titanium tetrachloride mix readily with supercritical CO{sub 2}. Comparison of these systems demonstrates significant differences in heats of mixing, mixture densities, and vapor-liquid equilibria. Although part of the difference may be attributable to the different densities of the pure solutes, there is some experimental and theoretical evidence that the intermolecular interactions between SnCl{sub 4} and CO{sub 2} are stronger than those between TiCl{sub 4} and CO{sub 2}. These differences are consistent with the presence in tin of completed d and f orbitals which may affect interaction between SnCl{sub 4} and CO{sub 2}.

• Sponsoring Organization: USDOE
• OSTI ID: 145152
• Report Number(s): CONF-911049--
• Journal Information: Separation Science and Technology, Journal Name: Separation Science and Technology Journal Issue: 1-3 Vol. 28; ISSN 0149-6395; ISSN SSTEDS
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
CARBON DIOXIDE
METAL INDUSTRY
MIXING
MIXTURES
SUPERCRITICAL FLUID CHROMATOGRAPHY
THERMODYNAMIC PROPERTIES
TIN CHLORIDES
TITANIUM CHLORIDES