Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Gilles Févotte"'
Publikováno v:
IFAC Proceedings Volumes. 44:14025-14030
This paper deals with the control problem of crystallization processes. The dynamics of the system are governed by nonlinear partial differential equations, and the growth kinetics under consideration depends both on crystal size and on time. Given a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef5f51e17d7894691855abfaaa7fd68b
https://doi.org/10.3182/20110828-6-it-1002.02527
https://doi.org/10.3182/20110828-6-it-1002.02527
Publikováno v:
IFAC Proceedings Volumes. 44:10460-10465
Up to now, there is no sensor which permits to obtain an on-line measurement of the crystal size distribution in a batch crystallizer. Based on the measure of the concentration of the solute, this papers deals with the design of an observer which all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e71e99040563d1262713ce6cca367f02
https://doi.org/10.3182/20110828-6-it-1002.03175
https://doi.org/10.3182/20110828-6-it-1002.03175
Autor:
François Févotte, Gilles Févotte
Publikováno v:
Scopus-Elsevier
Abstract For obvious industrial and theoretical reasons the problem of accounting for the effect of impurities in the population balance modelling of solution crystallization processes is a very important issue, and yet it has never been reported unt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0701e91d738c5299254c0f58fd7c0402
https://doi.org/10.3182/20090712-4-tr-2008.00009
https://doi.org/10.3182/20090712-4-tr-2008.00009
Publikováno v:
Analytical Chemistry
Analytical Chemistry, American Chemical Society, 2008, 80 (17), pp.6658-6665. ⟨10.1021/ac800987m⟩
Analytical Chemistry, American Chemical Society, 2008, 80 (17), pp.6658-6665. ⟨10.1021/ac800987m⟩
International audience; There is an increasing interest in using Raman spectroscopy to identify polymorphic forms and monitor phase changes in pharmaceutical products for quality control. Compared with other analytical techniques for the identificati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e912ce81c5f162a5adf4c3e7a98f3f2
https://doi.org/10.1021/ac800987m
https://doi.org/10.1021/ac800987m
Publikováno v:
Macromolecules
Macromolecules, American Chemical Society, 2008, 41 (14), pp.5166-5173. ⟨10.1021/ma800326x⟩
Macromolecules, American Chemical Society, 2008, 41 (14), pp.5166-5173. ⟨10.1021/ma800326x⟩
International audience; The kinetics of the miniemulsion copolymerization of styrene (St) and gamma-methacryloxypropyltrimethoxysilane (MPS) was investigated by studying the effects of the MPS/St weight ratio, the nature and amount of initiator, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5a23e236315c5930c1f57bbb17c8c8f
https://doi.org/10.1021/ma800326x
https://doi.org/10.1021/ma800326x
Publikováno v:
Chemical Engineering and Processing: Process Intensification
Chemical Engineering and Processing: Process Intensification, Elsevier, 2008, 47 (3), pp.377-382. ⟨10.1016/j.cep.2007.01.004⟩
Chemical Engineering and Processing: Process Intensification, Elsevier, 2008, 47 (3), pp.377-382. ⟨10.1016/j.cep.2007.01.004⟩
International audience; Citric acid exhibits two solid (anhydrous/monohydrate) phases in water. Below 34 °C, the more stable form being the monohydrate. This organic compound was selected as a model product to evaluate the continuous monitoring of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2444cc6664dc88933dde13311db29e51
https://doi.org/10.1016/j.cep.2007.01.004
https://doi.org/10.1016/j.cep.2007.01.004
Publikováno v:
Crystal Growth & Design
Crystal Growth & Design, American Chemical Society, 2007, 7 (10), pp.2088-2095. ⟨10.1021/cg0606343⟩
Crystal Growth & Design, American Chemical Society, 2007, 7 (10), pp.2088-2095
Crystal Growth & Design, American Chemical Society, 2007, 7 (10), pp.2088-2095. ⟨10.1021/cg0606343⟩
Crystal Growth & Design, American Chemical Society, 2007, 7 (10), pp.2088-2095
International audience; Experimental data about both the liquid and the solid phases during seeded batch crystallizations of citric acid (CA) in water were obtained using in situ Raman spectroscopy and image acquisition. These experimental results we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ceacbc5c1db706c8f0f214eaec668fb5
https://doi.org/10.1021/cg0606343
https://doi.org/10.1021/cg0606343
Autor:
Gilles Févotte
Publikováno v:
Chemical Engineering Research and Design. 85:906-920
As Raman spectroscopy enables complex, in situ, non-destructive and fast quantitative measurements of the solid state of pharmaceutical compounds, this technique is expected to allow the development of innovative future industrial applications for mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8aabe95a7c735c938cecb1e20af7639a
https://doi.org/10.1205/cherd06229
https://doi.org/10.1205/cherd06229
Publikováno v:
IFAC Proceedings Volumes. 39:667-672
This paper deals with the problem of estimating CSD (Crystal Size Distributions) during polymorphic crystallization processes. The proposed approach is based on the high gain observer using the discretization of the PBE's (Population Balance Equation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5e00fd58361b1e6444f0b315d5166b5
https://doi.org/10.3182/20060402-4-br-2902.00667
https://doi.org/10.3182/20060402-4-br-2902.00667
Publikováno v:
International Journal of Pharmaceutics
International Journal of Pharmaceutics, Elsevier, 2006, 307 (2), pp.201-208. ⟨10.1016/j.ijpharm.2005.10.009⟩
International Journal of Pharmaceutics, Elsevier, 2006, 307 (2), pp.201-208. ⟨10.1016/j.ijpharm.2005.10.009⟩
International audience; A calibration strategy for the continuous monitoring of solvent-mediated phase transition was developed using in situ Raman spectroscopy. Citric acid which exhibits enantiotropy during its anhydrous/monohydrate phase transitio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcdb052eeede860b4edba02bd1713de0
https://doi.org/10.1016/j.ijpharm.2005.10.009
https://doi.org/10.1016/j.ijpharm.2005.10.009