Stratégie de modélisation et d’optimisation des performances de l’ultrafiltration pour le fractionnement d’hydrolysats protéiques

Abstract : Protein hydrolysates are high added value mixtures for various industrial areas, thanks to their nutritive, functional or nutraceutical properties. To enhance hydrolysates performances, fractionation processes such as ultrafiltration are used. However, the lack of tools to predict ultrafiltration performances is a major bottleneck for a rational implementation of the process. This research thesis work enables to validate a prediction strategy based on classical characteristics of hydrolysates and an experimental calibration of the membrane. Yields and enrichment factors in targeted peptides or fractions during ultrafiltration as well as the productivity of the process can be predicted. This global methodology of performances prediction is then used to optimize the implementation modes of ultrafiltration. The multiobjective optimization approach consists in maximizing the enrichment in targeted peptides or fractions while water consumption and / or process duration is minimized
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Alice Bodin. Stratégie de modélisation et d’optimisation des performances de l’ultrafiltration pour le fractionnement d’hydrolysats protéiques. Autre. Université de Lorraine, 2016. Français. ⟨NNT : 2016LORR0298⟩. ⟨tel-01752417⟩

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