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Abstract
Ionic liquids have the potential to be used for extracting valuable chemicals from raw materials. These processes often involve water, and after extraction, the water or other chemicals must be removed from the ionic liquid, so it can be reused. To help in designing such processes, we present data on the vapor-liquid equilibrium of the system containing protic ionic liquid 7-methyl-1,5,7-triazabicyclo [ 4.4.0 ] dec-5-enium acetate, water, acetic acid, and 7-methyl-1,5,7-triazabicyclo [4.4.0] dec-5-ene. Earlier studies have only focused on mixtures of water and an ionic liquid with a stoichiometric ratio of the ions. Here, we also investigated mixtures containing an excess of the acid or base component because in real systems with protic ionic liquids, the amount of acid and base in the mixture can vary. We modeled the data using both the ePC-SAFT and NRTL models, and we compared the performance of different modeling strategies. We also experimentally determined the vapor composition for a few of the samples, but none of the modeling strategies tested could accurately predict the concentration of the acid and base components in the vapor phase.
Original language | English |
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Pages (from-to) | 2405-2421 |
Number of pages | 17 |
Journal | Journal of Chemical and Engineering Data |
Volume | 65 |
Issue number | 5 |
DOIs | |
Publication status | Published - 14 May 2020 |
MoE publication type | A1 Journal article-refereed |
Keywords
- EQUATION-OF-STATE
- AQUEOUS-ELECTROLYTE SOLUTIONS
- PERTURBED-CHAIN SAFT
- ACETIC-ACID
- VOLUMETRIC PROPERTIES
- THERMODYNAMIC PROPERTIES
- SODIUM-CHLORIDE
- OSMOTIC COEFFICIENTS
- LITHIUM-CHLORIDE
- BINARY-SYSTEMS
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Dive into the research topics of 'Vapor-Liquid Equilibrium of Ionic Liquid 7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-enium Acetate and Its Mixtures with Water'. Together they form a unique fingerprint.Projects
- 1 Finished
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SolvRec: Technical development of Ioncell-F with special emphasis on the solvent recycling
Sixta, H. (Principal investigator), Hellsten, S. (Project Member), Katajainen, L. (Project Member), Revitzer, H. (Project Member), Elsayed, S. (Project Member) & Rissanen, M. (Project Member)
01/07/2017 → 31/12/2019
Project: Business Finland: Other research funding