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Vapour-liquid equil...
Vapour-liquid equilibrium of binary mixtures. 2. Ethanol + 2,2,4-trimethylpentane, 1-butanol + 2,2,4-trimethylpentane, and ethanol + o-xylene
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Hull, A (författare)
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- Kronberg, B (författare)
- RISE,YKI – Ytkemiska institutet
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van Stam, J (författare)
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visa fler...
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Golubkov, I (författare)
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Kristensson, J (författare)
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visa färre...
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(creator_code:org_t)
- 2006
- 2006
- Engelska.
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Ingår i: Journal of Chemical and Engineering Data. - 0021-9568 .- 1520-5134. ; 51, s. 2002-2008
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- The activity coefficients of the binary mixtures ethanol + 2,2,4-trimethylpentane, 1-butanol + 2,2,4-trimethylpentane, and ethanol + o-xylene were determined at temperatures of (308.15, 313.15, and 318.15) K. The determination of the vapor phase composition at equilibrium was carried out using headspace gas chromatography analysis. Multiple headspace extraction was used to calibrate the headspace gas chromatograph. Comparison of the experimental phase diagrams with phase diagrams from the literature shows good agreement. The composition of the azeotropes are reported, where they exist. The molar Gibbs energy of mixing is reported for all mixtures studied. The infinite dilution activity coefficients are reported for all components of all mixtures. Some thermodynamic models (those of Wilson, NRTL, UNIQUAC, and Flory-Scatchard) have been compared with regard to their suitability for modeling the experimental data.
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- art (ämneskategori)
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