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https://open.uns.ac.rs/handle/123456789/5002
Nаziv: | Liquid-liquid equilibrium constant for acetic acid in an olive oil-epoxidized olive oil-acetic acid-hydrogen peroxide-water system | Аutоri: | Janković, Milovan Govedarica (Borota), Olga Sinadinović-Fišer, Snežana Pavličević, Jelena Teofilović, Vesna Vukić (Skerlić), Nevena |
Dаtum izdаvаnjа: | 2016 | Izdаvаč: | Belgrade: Association of the Chemical Engineers of Serbia | Čаsоpis: | Hemijska Industrija | Sažetak: | © 2016, Association of Chemists and Chemical Engineers of Serbia. All Rights Reserved. The liquid-liquid equilibrium constant for acetic acid in a quinary system olive oil-epoxidized olive oil-acetic acid-hydrogen peroxide-water was experimentally determined for temperatures and component ratios relevant for in situ epoxidation of plant oils. The values have the constant range from 1.52 to 2.73. To predict the equilibrium constant for acetic acid, the experimental data were correlated with UNIQUAC (universal quasi chemical) and NRTL (non-random two liquid) activity coefficient models. For simplified calculation of the phase equilibrium the insolubility of olive oil and epoxidized olive oil in the water, as well as insolubility of water and hydrogen peroxide in the olive oil and epoxidized olive oil, was assumed. The root mean square deviation (RMSD) of the experimental and calculated values of the liquid-liquid equilibrium constant for acetic acid is 0.1910 for the UNIQUAC model and 0.1815 for the NRTL model. For rigorous flash calculation, when the partitioning of all components between the phases was assumed, the RMSD for the NRTL model is 0.1749. | URI: | https://open.uns.ac.rs/handle/123456789/5002 | ISSN: | 0367598X | DOI: | 10.2298/HEMIND141210024J |
Nаlаzi sе u kоlеkciјаmа: | TF Publikacije/Publications |
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