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- W2803901283 abstract "In this work, an optimal steam flow trajectory for essential oils extraction from aromatic plants is derived, minimizing energy consumption. A phenomenological dynamic model of the oil extraction process is adopted from literature and a multi-objective optimal control problem is formulated, in order to minimize energy consumption and at the same time maximize the yield of extraction. The resulting optimal control problem is highly non-linear and it is solved by numerical methods. Simulation results are presented for three scenarios: (i) Maximum yield, (ii) minimum energy consumption and (iii) trade-off between yield and energy. It is shown that the optimal steam flow rate trajectory is not necessarily constant. Using a mixed cost-function, it is possible to extract almost 100% of oil essential while saving 60% of energy. Finally, a sensitivity analysis shows that the optimal steam trajectory has few variations when parameters of the plant physiology change." @default.
- W2803901283 created "2018-06-01" @default.
- W2803901283 creator A5030292934 @default.
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- W2803901283 date "2018-09-01" @default.
- W2803901283 modified "2023-10-18" @default.
- W2803901283 title "An optimal control approach to steam distillation of essential oils from aromatic plants" @default.
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- W2803901283 doi "https://doi.org/10.1016/j.compchemeng.2018.05.009" @default.
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