Projects per year
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.
Original language | English |
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Pages (from-to) | 4381–4391 |
Number of pages | 10 |
Journal | Journal of Chemical and Engineering Data |
Volume | 63 |
Issue number | 12 |
DOIs | |
Publication status | Published - 14 Nov 2018 |
MoE publication type | A1 Journal article-refereed |
Keywords
- carbon dioxide
- Furfural
- water
- Gamma-valerolactone
- vapor liquid equilibrium
- liquid liquid equilibrium
- Biorefinery
- separation
- solvent recycling
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Dive into the research topics of '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'. Together they form a unique fingerprint.Projects
- 1 Finished
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FinnCERES: Competence Center for the Materials Bioeconomy: A Flagship for our Sustainable Future
Mäkelä, K. (Principal investigator)
01/05/2018 → 31/12/2022
Project: Academy of Finland: Other research funding
Equipment
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Bioeconomy Research Infrastructure
Seppälä, J. (Manager)
School of Chemical EngineeringFacility/equipment: Facility