Processes in Dispersed Media

PRODIS

Keywords: Crystallization, Granular processes, Polymerization, Emulsification, Freeze-drying, Drying, Online monitoring, Modeling

 

The “Processes in Dispersed Media” (PRODIS) team focusses on studying the processes of production, separation and shaping of solids, emulsions or polymers. These processes involve crystallization/precipitation, agglomeration, drying, freeze-drying, polymerization of liquid/gas monomers, or emulsification (in stirred vessels, static mixers, high-pressure homogenizer, ultrasound or membranes). The scope of the team extends from the study of elementary mechanisms (coupled mass and heat transfer, thermodynamic equilibria, solid phase transition, desolvation, polymorphism, free radical polymerization, breakup/coagulation and nucleation) to process monitoring and control in industrial context to achieve the desired use properties (particle / drop size distribution, polymorphic crystal form/facies, or the dispersion viscosity). Experimental tests, online monitoring, and modeling are the methods used to determine the key process factors and for process optimization, intensification, or process scale-up to industrial scale. The studied applications include specialty chemicals, pharmaceuticals, cosmetics, food, biologics, polymer coatings, materials for energy storage and effluent treatment.

 

The director of PES, Nida Sheibat-Othman

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417 documents

  • S. Vessot, J. Andrieu, P. Laurent, Jean Galy, J. Gerard. CURING STUDY AND OPTIMIZATION OF A POLYURETHANE-BASED MODEL PAINT COATED ON SHEET MOLDING COMPOUND PART I: POLYMERIZATION AND DRYING MODELLING. Drying Technology, Taylor & Francis, 2000, 18 (1-2), pp.199-218. ⟨10.1080/07373930008917700⟩. ⟨hal-02060627⟩
  • S. Vessot, J. Andrieu, P. Laurent, Jean Galy, J. Gerard. CURING STUDY AND OPTIMIZATION OF A POLYURETHANE-BASED MODEL PAINT COATED ON SHEET MOLDING COMPOUND PART II: DRYING DEFECTS RELATED TO CURING CONDITIONS. Drying Technology, Taylor & Francis, 2000, 18 (1-2), pp.219-236. ⟨10.1080/07373930008917701⟩. ⟨hal-02060629⟩
  • Nida Sheibat-Othman, Amilton M. Santos, Gilles Fevotte, Timothy Mckenna. EVALUATION OF EMULSION POLYMERISATION KINETICS USING A NON-LINEAR STATE ESTIMATOR. Macromolecular Symposia, Wiley-VCH Verlag, 2000, 150, pp.109-114. ⟨hal-00366398⟩
  • Ghania Degobert, Gilles Ponchel. Loading and in vitro release of salbutamol from degradable cross-linked starch microspheres intended for pulmonary administration. STP Pharma Pratiques, 1999, 9 (6), pp.573-577. ⟨hal-02059619⟩
  • Ghania Hamdi, Gilles Ponchel. Enzymatic degradation of epichlorohydrin crosslinked starch microspheres by α-amylase. Pharmaceutical Research, American Association of Pharmaceutical Scientists, 1999, 16 (6), pp.867-875. ⟨10.1023/A:1018878120100⟩. ⟨hal-02059527⟩
  • Gilles Ponchel, Ghania Degobert. Hydroxypropyl methylcellulose hard capsules: An alternative to gelatin. STP Pharma Pratiques, 1999. ⟨hal-02059310⟩
  • Séverine Vessot, Denise Blanc, Pierre Laurent, Julien Andrieu. Étude expérimentale du séchage infrarouge et convectif de peintures automobiles modèle sur supports plastiques ou métalliques. Revue Générale de Thermique, Elsevier, 1997, 36 (3), pp.209-223. ⟨10.1016/S0035-3159(97)88160-3⟩. ⟨hal-02060387⟩

 

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