Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa (2023)
- Authors:
- USP affiliated authors: CASTILLO, PEDRO FELIPE ARCE - EEL ; NUNES, MATHEUS CARDOSO - EEL ; FREIRE, NIAN VIEIRA - EEL
- Unidade: EEL
- DOI: 10.1016/j.fuel.2022.126459
- Assunto: BIODIESEL
- Keywords: Vapor–liquid equilibrium; Bubble T; Experimental and Modeling
- Agências de fomento:
- Language: Inglês
- Abstract: Fossil sources of energy become focus of many debates due to the pollution caused by them. In this scenario, renewable fuels, as biodiesel, are studied to improve their production efficiency and become more competitive with fossil fuels and even substitute them. Biodiesel, produced by the transesterification reaction, is constituted by a mixture of fatty acid esters and needs to be separated from its reactional solution in order to be commercialized. To improve the separation processes, the thermodynamic behavior of the mixtures involving components of the biodiesel needs to be known. Aiming this, the vapor–liquid equilibrium (VLE) of the methanol + methyl palmitate and ethanol + ethyl palmitate systems was analyzed at 50.3 and 101.3 kPa and the experimental data were submitted to a thermodynamic consistency test and thermodynamic modeling with the Peng-Robinson (PR), Group Contribution Volume Translated Peng-Robinson (GC-VT-PR) and the Perturbed Chain - Statistical Associating Fluid Theory (PC-SAFT) equations of state. Experimental data were considered thermodynamically consistent, and the modeling showed good results in terms of the lowest relative deviations of temperature and vapor mole fraction obtained with the GC-VT-PR and PC-SAFT models.
- Imprenta:
- Source:
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
FREIRE, Nian Vieira e NUNES, Matheus Cardoso e CASTILLO, Pedro Felipe Arce. Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa. Fuel, v. 333, p. 1-10, 2023Tradução . . Disponível em: https://doi.org/10.1016/j.fuel.2022.126459. Acesso em: 29 dez. 2025. -
APA
Freire, N. V., Nunes, M. C., & Castillo, P. F. A. (2023). Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa. Fuel, 333, 1-10. doi:10.1016/j.fuel.2022.126459 -
NLM
Freire NV, Nunes MC, Castillo PFA. Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa [Internet]. Fuel. 2023 ;333 1-10.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1016/j.fuel.2022.126459 -
Vancouver
Freire NV, Nunes MC, Castillo PFA. Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa [Internet]. Fuel. 2023 ;333 1-10.[citado 2025 dez. 29 ] Available from: https://doi.org/10.1016/j.fuel.2022.126459 - Vapor-liquid equilibrium for the {R-OH + R-palmitate} systems at 50.3 and 101.3 kPa
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Informações sobre o DOI: 10.1016/j.fuel.2022.126459 (Fonte: oaDOI API)
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