Fluid Phase Behavior under supercritical conditions of Binary Systems in presence of Imidazolium and Ammonium Ionic Liquids (2018)
- Authors:
- USP affiliated authors: CASTILLO, PEDRO FELIPE ARCE - EEL ; IGARASHI, EDSON MASSAKAZU DE SOUZA - EEL
- Unidade: EEL
- Subjects: SIMULAÇÃO (APRENDIZAGEM); TERMODINÂMICA
- Keywords: imidazolium; ammonium; supercritical CO2; thermodynamic modeling; thermodynamic simulation
- Agências de fomento:
- Language: Inglês
- Abstract: Ionic liquids have emerged recently as a friendly alternative for the environment by replacing volatile organic compounds in many separation processes. The main application of the ionic liquids is as solvents in processes, so the phase equilibria with other substances becomes an important piece of information to fully understand the behavior during an operation. Once that the carbon dioxide in supercritical conditions is frequently studied in separation processes, the thermodynamic modeling of binary systems formed by this substance with ionic liquids based on imidazolium or ammonium ions was proposed using cubic and non-cubic equations. Only the experimental data considered thermodynamic consistent according to the area test based on Gibbs-Duhem equation were modeled. The best results were obtained by the PC-SAFT thermodynamic model. The thermodynamic simulation using artificial neural networks nd molecular descriptors, using several architectures, was done. Results from the two approaches, ANN-MD and PCSAFT models, were compared and the deviations in the bubble pressure and the vapor phase compositions were very similar being the computation time the main difference.
- Imprenta:
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ABNT
IGARASHI, Edson Massakazu de Souza e CASTILLO, Pedro Felipe Arce. Fluid Phase Behavior under supercritical conditions of Binary Systems in presence of Imidazolium and Ammonium Ionic Liquids. 2018, Anais.. Valence: ISASF, 2018. Disponível em: https://www.supflu2018.fr/pdf/PT01.pdf. Acesso em: 30 dez. 2025. -
APA
Igarashi, E. M. de S., & Castillo, P. F. A. (2018). Fluid Phase Behavior under supercritical conditions of Binary Systems in presence of Imidazolium and Ammonium Ionic Liquids. In Proceedings of 12th International Symposium on Supercritical Fluids. Valence: ISASF. Recuperado de https://www.supflu2018.fr/pdf/PT01.pdf -
NLM
Igarashi EM de S, Castillo PFA. Fluid Phase Behavior under supercritical conditions of Binary Systems in presence of Imidazolium and Ammonium Ionic Liquids [Internet]. Proceedings of 12th International Symposium on Supercritical Fluids. 2018 ;[citado 2025 dez. 30 ] Available from: https://www.supflu2018.fr/pdf/PT01.pdf -
Vancouver
Igarashi EM de S, Castillo PFA. Fluid Phase Behavior under supercritical conditions of Binary Systems in presence of Imidazolium and Ammonium Ionic Liquids [Internet]. Proceedings of 12th International Symposium on Supercritical Fluids. 2018 ;[citado 2025 dez. 30 ] Available from: https://www.supflu2018.fr/pdf/PT01.pdf - Thermodynamic modeling of the fluid phase behavior of CO2 + IL (pyrrolidinium and phosphonium) at high pressures
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