VAPOR-LIQUID EQUILIBRIA OF BINARY SYSTEMS CONTAINING ALCOHOLS: ETHANOL WITH NITROMETHANE AND DIETHYLAMINE

Vapor-liquid equilibrium data are reported for the binary systems ethanol-nitromethane (MeNO2) and ethanol-diethylamine (Et2NH) at 730mmHg. As expected from a strong hydrogen-bond interaction between hydroxyl group and amino base, the ethanol-Et2NM system shows negative deviation from the ideal solu...

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Published inJOURNAL OF CHEMICAL ENGINEERING OF JAPAN Vol. 2; no. 1; pp. 4 - 7
Main Authors NAKANISHI, KOICHIRO, TOBA, RITSUJI, SHIRAI, HIDEKO
Format Journal Article
LanguageEnglish
Published The Society of Chemical Engineers, Japan 1969
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Summary:Vapor-liquid equilibrium data are reported for the binary systems ethanol-nitromethane (MeNO2) and ethanol-diethylamine (Et2NH) at 730mmHg. As expected from a strong hydrogen-bond interaction between hydroxyl group and amino base, the ethanol-Et2NM system shows negative deviation from the ideal solution law and no azeotrope can be found. The ethanol-MeNO2 system shows a positive deviation. MeNO2 forms an azeotrope at 76.4°C and 75.0 mole % of ethanol. Based on these results and other activity coefficient data available, the prediction of azeotrope formation in binary ethanol solutions by the previously presented correlation and azeotrope diagram is discussed.
ISSN:0021-9592
1881-1299
DOI:10.1252/jcej.2.4