Isobaric vapour–liquid equilibria of binary 1-propoxy-2-propanol mixtures with water and alcohols at reduced pressure

Ramsauer, Bernhard; Neueder, Roland; Kunz, Werner

doi:10.1016/j.fluid.2008.06.022

Cited by 28 publications

(15 citation statements)

References 35 publications

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“…COSMO‐RS method was applied to describe the fluid phase equilibria of systems, such as the LLE of water‐hydrocarbon mixtures,18 VLE of mixtures containing polar chemicals,19, 20 VLE of butane + alcohols,21 and VLE of binary mixtures of 1‐propoxy‐2‐propanol with alcohols and water at reduced pressures 22…”

Section: Introductionmentioning

confidence: 86%

Phase equilibria (LLE and VLE) of refining operations for enzymatic biodiesel production via quantum mechanical COSMO‐RS method

Güzel

2012

AIChE Journal

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Phase equilibria, both liquid–liquid equilibria (LLE) and vapor‐liquid equilibria (VLE), are equally important in the refining operations of biodiesel production. Equilibrium distributions of components at the down‐processing of enzymatic ethanolysis reaction were investigated through quantum mechanical COnductor‐like Screening MOdel‐Real Solvent method with implemented vapor pressure equations. Due to the composite nature of fatty acid ethyl ester (FAEE) components as the biodiesel fuel, multicomponent predictive phase equilibria approach was applied for a model reaction system of refined soybean oil with 30% molar excess amount of ethanol. Simulation results for the LLE at 303 K were in significant agreement with reported experimental data. Minimum boiling azeotropes were found for FAEE‐glycerol binaries at isothermal (at 423 and 473K) and isobaric (at reduced pressures) VLE simulations. Similar results were also found at the VLE of glycerol purification operations for multicomponent real case simulations. The feasibilities of simple and rigorous unit operations were also pointed up in this study. © 2012 American Institute of Chemical Engineers AIChE J, 2012

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Section: Introductionmentioning

confidence: 86%

Phase equilibria (LLE and VLE) of refining operations for enzymatic biodiesel production via quantum mechanical COSMO‐RS method

Güzel

2012

AIChE Journal

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“…Consequently, accurate vapor−liquid equilibria (VLE) involving the solvents are essential for the process design. Relevant VLE data can be found for aqueous solutions of ethylene glycol butyl ether, 1 propylene glycol methyl ether, 2 propylene glycol n-propyl ether, 3 and different ether mixtures. 4 Chiavone-Filho et al 5 have published the VLE data for aqueous binary mixtures of some glycol ethers.…”

Section: Introductionmentioning

confidence: 99%

Vapor–Liquid Equilibria of the Aqueous and Organic Mixtures Composed of Dipropylene Glycol Methyl Ether, Dipropylene Glycol n-Butyl Ether, and Propylene Glycol n-Butyl Ether. Part I: Experimental Study

Dimitrov

Guichardon

Mokbel

et al. 2021

Ind. Eng. Chem. Res.

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An experimental and theoretical study was undertaken for three ether glycols (mixtures of isomers). The present paper, being the first part of a complex study, reports the experimental part of the study using a static apparatus, namely, the vapor− liquid equilibria of dipropylene glycol methyl ether (DPM), dipropylene glycol n-butyl ether (DPnB), and propylene glycol n-butyl ether (PnB), and the vapor−liquid equilibria of their pseudo-binary mixtures composed of (PnB + DPM), (DPM + DPnB), (PnB + DPnB), and the aqueous solutions of each ether. The explored temperature range is between 283.15 and 363.15 K. The experimental points were fitted using the Antoine equation. No literature data was found for comparison. The aim of this paper is not only to provide the obtained experimental data but also to highlight the eventual challenges when working with very low vapor pressure compounds and mixtures. The second part is related to a theoretical study with the development of a thermodynamic model for the representation of the experimental data.

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“…1-Methoxy-2-propanol (PM) is an excellent solvent and dispersant used in industry because of both an ether group and a hydroxyl group in its molecular structure. It is generally used in coatings, inks, printing and dyeing, cellulose and other industries. , In addition, it is an intermediate of the herbicide metolachlor. 2-Methoxy-1-propanol (MP) is an isomer of PM and has the same chemical formula and a similar chemical structure.…”

Section: Introductionmentioning

confidence: 99%

Vapor Liquid Equilibrium for the Binary of 1-Methoxy-2-propanol + 1,2-Propanediol and 2-Methoxy-1-propanol + 1,2-Propanediol at 101.3 kPa and 50.0 kPa

Sun

et al. 2020

J. Chem. Eng. Data

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The isobaric vapor–liquid equilibrium (VLE) data of 1-methoxy-2-propanol (PM) + 1,2-propanediol (PG) and 2-methoxy-1-propanol (MP) + 1,2-propanediol (PG) was measured in this work by a modified Rose-Williams still under pressures of 101.3 kPa and 50.0 kPa. The Wisniak test and the Van Ness test were applied to confirm the thermodynamic consistency of the VLE data. The experimental isobaric VLE data were correlated by the nonrandom two-liquid and universal quasichemical models. The experiment results showed that these two models perfectly correlate the measured VLE data.

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Isobaric vapour–liquid equilibria of binary 1-propoxy-2-propanol mixtures with water and alcohols at reduced pressure

Cited by 28 publications

References 35 publications

Phase equilibria (LLE and VLE) of refining operations for enzymatic biodiesel production via quantum mechanical COSMO‐RS method

Phase equilibria (LLE and VLE) of refining operations for enzymatic biodiesel production via quantum mechanical COSMO‐RS method

Vapor–Liquid Equilibria of the Aqueous and Organic Mixtures Composed of Dipropylene Glycol Methyl Ether, Dipropylene Glycol n-Butyl Ether, and Propylene Glycol n-Butyl Ether. Part I: Experimental Study

Vapor Liquid Equilibrium for the Binary of 1-Methoxy-2-propanol + 1,2-Propanediol and 2-Methoxy-1-propanol + 1,2-Propanediol at 101.3 kPa and 50.0 kPa

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