Experimental data and thermodynamic modeling of the CO2 + Acetone + Efavirenz system at high pressures (2022)
- Authors:
- USP affiliated authors: CASTILLO, PEDRO FELIPE ARCE - EEL ; FREIRE, NIAN VIEIRA - EEL
- Unidade: EEL
- DOI: 10.1016/j.jct.2022.106924
- Assunto: ENGENHARIA QUÍMICA
- Keywords: Efavirenz; Acetone; Fluid Phase equilibrium; supercritical CO2
- Agências de fomento:
- Language: Inglês
- Abstract: It is important to understand the fluid phase behavior of the systems containing CO2, acetone, and Efavirenz for processes that use supercritical fluids to produce micro and/or nanoparticles for drug encapsulation. Thus, the purpose of this work is to measure experimentally data on the phase transitions of CO2 + Efavirenz and CO2 + acetone + Efavirenz systems using the visual static synthetic method and a variable-volume cell integrated into the experimental equipment. The experimental settings for the binary system were: pressures up to 16 MPa, temperatures of 333.15, 338.15, and 343.15 K, and the global Efavirenz mole fraction from 4 × 10−5 up to 15 × 10−5. The experimental settings for the ternary system were: pressure up to 10 MPa, temperatures from 303.15 to 333.15 K, and the global CO2 mole fraction from 0.2 up to 0.9. For the binary systems, the observed phase transitions are solid–fluid transitions; for the ternary systems, the observed phase transitions are bubble point (BP) transitions. Thermodynamic simulations using the Group Contribution Volume-Translated Peng-Robinson (GC-VT-PR) and Perturbed Chain Statistical Associating Fluid Theory (PC-SAFT) equations of state (EoS) demonstrated a striking correlation with experimental data. The relative deviations from pressure and temperature corroborate the efficiency of the thermodynamic models used in this work.
- Imprenta:
- Source:
- Título: Journal of chemical thermodynamics
- ISSN: 00219614
- Volume/Número/Paginação/Ano: v., n. , p.106924-, 2022
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
-
ABNT
SOUZA, Guilherme Botelho Meireles de et al. Experimental data and thermodynamic modeling of the CO2 + Acetone + Efavirenz system at high pressures. Journal of chemical thermodynamics, n. , p. 106924-, 2022Tradução . . Disponível em: https://doi.org/10.1016/j.jct.2022.106924. Acesso em: 29 dez. 2025. -
APA
Souza, G. B. M. de, Araújo, P. C. C. de, Rocha, H. V. A., Favareto, R., Freire, N. V., Castillo, P. F. A., et al. (2022). Experimental data and thermodynamic modeling of the CO2 + Acetone + Efavirenz system at high pressures. Journal of chemical thermodynamics, ( ), 106924-. doi:10.1016/j.jct.2022.106924 -
NLM
Souza GBM de, Araújo PCC de, Rocha HVA, Favareto R, Freire NV, Castillo PFA, Pinto LF, Cardozo-Filho L. Experimental data and thermodynamic modeling of the CO2 + Acetone + Efavirenz system at high pressures [Internet]. Journal of chemical thermodynamics. 2022 ;( ): 106924-.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1016/j.jct.2022.106924 -
Vancouver
Souza GBM de, Araújo PCC de, Rocha HVA, Favareto R, Freire NV, Castillo PFA, Pinto LF, Cardozo-Filho L. Experimental data and thermodynamic modeling of the CO2 + Acetone + Efavirenz system at high pressures [Internet]. Journal of chemical thermodynamics. 2022 ;( ): 106924-.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1016/j.jct.2022.106924 - Thermodynamic Modeling and Simulation at high- pressures of Binary Systems containing Biodiesel Components: different types of the Peng-Robinson equation of state vs Artificial Neural Networks
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Informações sobre o DOI: 10.1016/j.jct.2022.106924 (Fonte: oaDOI API)
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