Correlation of critical loci for water-hydrocarbon binary systems by EOS based on the multi-fluid nonrandom lattice theory

Hun Yong Shin, Hwayong Kim, Ki Pung Yoo, Chulsoo Lee, Yoshio Iwai, Yasuhiko Arai

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

Quantitative representation of complicated behavior of fluid mixtures in the critical region by any of equation-of-state theories remains as a difficult thermodynamic topics to date. In the present work, a computational efforts were made for representing various types of critical loci of binary water with hydrocarbon systems showing Type II and Type III phase behavior by an elementary equation of state [called multi-fluid nonrandom lattice fluid EOS (MF-NLF EOS)] based on the lattice statistical mechanical theory. The model EOS requires two molecular parameters which representing molecular size and interaction energy for a pure component and single adjustable interaction energy parameter for binary mixtures. Critical temperature and pressure data were used to obtain molecular size parameter and vapor pressure data were used to obtain interaction energy parameter. The MF-NLF EOS model adapted in the present study correlated quantitatively well the critical loci of various binary water with hydrocarbon systems.

本文言語英語
ページ(範囲)661-665
ページ数5
ジャーナルChinese Journal of Chemical Engineering
10
6
出版ステータス出版済み - 12 1 2002

All Science Journal Classification (ASJC) codes

  • 環境工学
  • 生化学
  • 化学 (全般)
  • 化学工学(全般)

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