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Measurement and Modeling of Bubble Points for Binary Mixtures of Carbon Dioxide and N,N-Dimethylformamide

이산화탄소와 디메틸포름아마이드 혼합물의 기포점 측정 및 모델링

  • Jung, Joon-Young (Department of Chemical Engineering and Nano-Bio Technology, Hannam University) ;
  • Lee, Byung-Chul (Department of Chemical Engineering and Nano-Bio Technology, Hannam University)
  • 정준영 (한남대학교 생명나노과학대학 나노생명화학공학과) ;
  • 이병철 (한남대학교 생명나노과학대학 나노생명화학공학과)
  • Received : 2011.02.11
  • Accepted : 2011.03.11
  • Published : 2011.03.31

Abstract

The bubble point pressures of binary mixtures of carbon dioxide ($CO_2$) and N,N-dimethylformamide (DMF) were measured by using a high-pressure experimental apparatus equipped with a variable-volume view cell, at various $CO_2$ compositions in the range of temperatures above the critical temperature of $CO_2$ and below the critical temperature of DMF. The experimental bubble point pressure data were correlated with the Peng-Robinson equation of state (PR-EOS) to estimate the corresponding dew point compositions at equilibrium with the bubble point compositions. The experimentally measured bubble point pressures gave good agreement with those calculated by the PR-EOS. The variable-volume view cell equipment was verified to be an easy and quick way to measure the bubble point pressures of high-pressure compressible fluid mixtures.

Acknowledgement

Supported by : 한남대학교

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