110th Anniversary: Critical Properties and High Temperature Vapor Pressures for Furan, 2-Methylfuran, 2-Methoxy-2-methylpropane, 2-Ethoxy-2-methylbutane, n-Hexane, and Ethanol and Bubble Points of Mixtures with a New Apparatus

Petri Uusi-Kyyny*, Muhammad Saad Qureshi, Juha Pekka Pokki, Ville Alopaeus, Dominique Richon

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
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Abstract

A new improved apparatus is presented for measurements of critical points and vapor pressures of pure compounds. Additionally, with this apparatus it is possible to measure bubble and critical points of mixtures. The experimental temperature range is from 298 to 673 K, and the experimental pressure range is from 0 to a maximum of 20 MPa. Measurements of pure component vapor pressures and critical points are presented for ethanol, n-hexane, furan, 2-methylfuran, 2-methoxy-2-methylpropane (MTBE), and 2-ethoxy-2-methylbutane (TAEE). The measured properties are compared to literature data if available. The vapor pressure correlation of Wagner is used to correlate the measured vapor pressure data. Measurements of critical and bubble point of mixtures are presented for the ethanol + n-hexane system and are well in-line with literature data. Bubble and critical point measurements are presented for the furan + n-hexane mixture, where no literature data is available. The measured bubble points of mixtures are modeled with the Soave-Redlich-Kwong equation of state. The optimization of its binary interaction parameters is based on the bubble point measurements enabling the modeling of the critical loci of the mixture.

Original languageEnglish
Pages (from-to)22350-22362
JournalIndustrial and Engineering Chemistry Research
Volume58
DOIs
Publication statusPublished - 1 Jan 2019
MoE publication typeA1 Journal article-refereed

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