High pressure phase equilibrium studies of the pyrrole-carbon dioxide binary system

Balazs Kulik (Corresponding Author), Stefan Kruse, Jani Pelto

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

The phase behaviour of the pyrrole–carbon dioxide binary system was investigated in a variable volume view cell (vvvc) with a synthetic method. The experimental results were correlated by the Peng–Robinson equation of state using the Mathias–Klotz–Prausnitz mixing rule. This work was focused at the temperature- and pressure ranges of 313–343 K and 7–17 MPa, covering the conditions where the impregnation of different polymer substrates with pyrrole is the most likely feasible. According to the extrapolated results of the model in addition to the experimental data, the liquid–liquid immiscibility ceases above the more volatile component's critical temperature and pressure. This kind of phase behaviour was classified type-III by van Konynenburg and Scott.
Original languageEnglish
Pages (from-to)135-139
Number of pages5
JournalJournal of Supercritical Fluids
Volume47
Issue number2
DOIs
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed

Fingerprint

Pyrroles
pyrroles
Phase behavior
Carbon Dioxide
Phase equilibria
carbon dioxide
Carbon dioxide
critical pressure
dioxides
Equations of state
Impregnation
critical temperature
Polymers
coverings
equations of state
solubility
Solubility
Temperature
polymers
Substrates

Keywords

  • Mathias-Klotz-Prausnitz mixing rule
  • Peng-Robinson equation of state
  • Phase equilibria
  • Pyrrole
  • Supercritical carbon dioxide
  • Synthetic method

Cite this

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abstract = "The phase behaviour of the pyrrole–carbon dioxide binary system was investigated in a variable volume view cell (vvvc) with a synthetic method. The experimental results were correlated by the Peng–Robinson equation of state using the Mathias–Klotz–Prausnitz mixing rule. This work was focused at the temperature- and pressure ranges of 313–343 K and 7–17 MPa, covering the conditions where the impregnation of different polymer substrates with pyrrole is the most likely feasible. According to the extrapolated results of the model in addition to the experimental data, the liquid–liquid immiscibility ceases above the more volatile component's critical temperature and pressure. This kind of phase behaviour was classified type-III by van Konynenburg and Scott.",
keywords = "Mathias-Klotz-Prausnitz mixing rule, Peng-Robinson equation of state, Phase equilibria, Pyrrole, Supercritical carbon dioxide, Synthetic method",
author = "Balazs Kulik and Stefan Kruse and Jani Pelto",
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High pressure phase equilibrium studies of the pyrrole-carbon dioxide binary system. / Kulik, Balazs (Corresponding Author); Kruse, Stefan; Pelto, Jani.

In: Journal of Supercritical Fluids, Vol. 47, No. 2, 2008, p. 135-139.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Kulik, Balazs

AU - Kruse, Stefan

AU - Pelto, Jani

PY - 2008

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AB - The phase behaviour of the pyrrole–carbon dioxide binary system was investigated in a variable volume view cell (vvvc) with a synthetic method. The experimental results were correlated by the Peng–Robinson equation of state using the Mathias–Klotz–Prausnitz mixing rule. This work was focused at the temperature- and pressure ranges of 313–343 K and 7–17 MPa, covering the conditions where the impregnation of different polymer substrates with pyrrole is the most likely feasible. According to the extrapolated results of the model in addition to the experimental data, the liquid–liquid immiscibility ceases above the more volatile component's critical temperature and pressure. This kind of phase behaviour was classified type-III by van Konynenburg and Scott.

KW - Mathias-Klotz-Prausnitz mixing rule

KW - Peng-Robinson equation of state

KW - Phase equilibria

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KW - Supercritical carbon dioxide

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