Isobaric Vapor–Liquid Equilibrium of Furfural + γ-Valerolactone at 30 kPa and Isothermal Liquid–Liquid Equilibrium of Carbon Dioxide + γ-Valerolactone + Water at 298 K

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@article{0843904fad204b42a6f79954d945cf3e,
title = "Isobaric Vapor–Liquid Equilibrium of Furfural + γ-Valerolactone at 30 kPa and Isothermal Liquid–Liquid Equilibrium of Carbon Dioxide + γ-Valerolactone + Water at 298 K",
abstract = "The phase equilibria of four subsystems related to the γ-valerolactone (GVL) based biorefinery concept were measured. The liquid–liquid equilibrium (LLE) is important in separating GVL from aqueous solution with the aid of carbon dioxide. LLE of dense carbon dioxide, GVL, and water at 7.5 MPa was measured in a high pressure equilibrium cell equipped with a pneumatic capillary sampler. The solubility of GLV was from 2 to 10 times higher in the dense CO2 phase than in the aqueous phase indicating CO2 is a good solvent for this separation. The vapor–liquid equilibrium of furfural and GVL is important in the separation of traces of furfural from GVL in solvent recycling. It was found that furfural and GVL is a very ideal binary system at subatmospheric pressure. The predictive SRK (PSRK) equation of state and UNIQUAC activity coefficient model were used to model the binary and ternary systems measured in this work.",
keywords = "carbon dioxide, Furfural, water, Gamma-valerolactone, vapor liquid equilibrium, liquid liquid equilibrium, Biorefinery, separation, solvent recycling",
author = "Juha-Pekka Pokki and Huy L{\^e} and Petri Uusi-Kyyny and Ville Alopaeus and Herbert Sixta",
year = "2018",
month = "11",
day = "14",
doi = "10.1021/acs.jced.8b00451",
language = "English",
volume = "63",
pages = "4381–4391",
journal = "Journal of Chemical Engineering Data",
issn = "0021-9569",
number = "12",

}

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TY - JOUR

T1 - Isobaric Vapor–Liquid Equilibrium of Furfural + γ-Valerolactone at 30 kPa and Isothermal Liquid–Liquid Equilibrium of Carbon Dioxide + γ-Valerolactone + Water at 298 K

AU - Pokki, Juha-Pekka

AU - Lê, Huy

AU - Uusi-Kyyny, Petri

AU - Alopaeus, Ville

AU - Sixta, Herbert

PY - 2018/11/14

Y1 - 2018/11/14

N2 - The phase equilibria of four subsystems related to the γ-valerolactone (GVL) based biorefinery concept were measured. The liquid–liquid equilibrium (LLE) is important in separating GVL from aqueous solution with the aid of carbon dioxide. LLE of dense carbon dioxide, GVL, and water at 7.5 MPa was measured in a high pressure equilibrium cell equipped with a pneumatic capillary sampler. The solubility of GLV was from 2 to 10 times higher in the dense CO2 phase than in the aqueous phase indicating CO2 is a good solvent for this separation. The vapor–liquid equilibrium of furfural and GVL is important in the separation of traces of furfural from GVL in solvent recycling. It was found that furfural and GVL is a very ideal binary system at subatmospheric pressure. The predictive SRK (PSRK) equation of state and UNIQUAC activity coefficient model were used to model the binary and ternary systems measured in this work.

AB - The phase equilibria of four subsystems related to the γ-valerolactone (GVL) based biorefinery concept were measured. The liquid–liquid equilibrium (LLE) is important in separating GVL from aqueous solution with the aid of carbon dioxide. LLE of dense carbon dioxide, GVL, and water at 7.5 MPa was measured in a high pressure equilibrium cell equipped with a pneumatic capillary sampler. The solubility of GLV was from 2 to 10 times higher in the dense CO2 phase than in the aqueous phase indicating CO2 is a good solvent for this separation. The vapor–liquid equilibrium of furfural and GVL is important in the separation of traces of furfural from GVL in solvent recycling. It was found that furfural and GVL is a very ideal binary system at subatmospheric pressure. The predictive SRK (PSRK) equation of state and UNIQUAC activity coefficient model were used to model the binary and ternary systems measured in this work.

KW - carbon dioxide

KW - Furfural

KW - water

KW - Gamma-valerolactone

KW - vapor liquid equilibrium

KW - liquid liquid equilibrium

KW - Biorefinery

KW - separation

KW - solvent recycling

U2 - 10.1021/acs.jced.8b00451

DO - 10.1021/acs.jced.8b00451

M3 - Article

VL - 63

SP - 4381

EP - 4391

JO - Journal of Chemical Engineering Data

JF - Journal of Chemical Engineering Data

SN - 0021-9569

IS - 12

ER -

ID: 31028006