Vapor–liquid equilibria for the binary system 2,2−dimethylbutane + 1,1−dimethylpropyl methyl ether (TAME) at 298.15, 318.15, and 338.15 K

Vapor–liquid equilibrium (VLE) data are reported for the binary mixtures formed by 2,2-dimethylbutane and the branched ether 1,1-dimethylpropyl methyl ether (tert-amyl methyl ether or TAME). A Gibbs-van Ness type apparatus was used to obtain total vapor pressure measurements as a function of composi...

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Bibliographic Details
Published in:Fluid phase equilibria 2004-07, Vol.221 (1-2), p.1-6
Main Authors: Rı́o, Armando del, Coto, Baudilio, Renuncio, Juan A.R, Pando, Concepción
Format: Article
Language:English
Subjects:
Applied sciences
Binary liquid mixtures
Branched ether
Chemistry
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
General and physical chemistry
Gibbs energy
Liquid-vapor equilibria
Phase equilibria
Prospecting and production of crude oil, natural gas, oil shales and tar sands
Vapor–liquid equilibria
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Summary:Vapor–liquid equilibrium (VLE) data are reported for the binary mixtures formed by 2,2-dimethylbutane and the branched ether 1,1-dimethylpropyl methyl ether (tert-amyl methyl ether or TAME). A Gibbs-van Ness type apparatus was used to obtain total vapor pressure measurements as a function of composition at 298.15, 318.15, and 338.15K. Deviations from Raoult’s law are positive and very small. These VLE data are analyzed together with excess enthalpy (HmE) data previously reported at 298.15K using the UNIQUAC model. The modified UNIFAC (Dortmund) model is used to predict VLE data.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2004.04.001