Výsledky vyhledávání - "Laurent E. Prat"

Real time monitoring of the quiescent suspension copolymerization of vinyl chloride with methyl methacrylate in microreactors – Part 3. A kinetic study by raman spectroscopy and evolution of droplet size

Autor: José Carlos Pinto, Jérôme Durand, A. Pontier, Carlos Alberto Castor, Laurent E. Prat

Publikováno v: Chemical Engineering Science
Chemical Engineering Science, 2017, 173, pp.493-506. ⟨10.1016/j.ces.2017.08.018⟩
Chemical Engineering Science, Elsevier, 2017, 173, pp.493-506. ⟨10.1016/j.ces.2017.08.018⟩

This paper regards the experimental study on the polymerization of vinyl chloride droplets in quiescent state using microreactors. As presented in a previous work performed with methyl methacrylate monomer, this work presents results on the reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e19d5fb03e580b7f4f9a05675aea6a8c
https://doi.org/10.1016/j.ces.2017.08.018

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Real time monitoring of the quiescent suspension polymerization of vinyl chloride in microreactors – Part 2. A kinetic study by Raman spectroscopy and evolution of droplet size

Autor: José Carlos Pinto, Alain Pontier, Laurent E. Prat, Carlos Alberto Castor, Jérôme Durand

Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2016, 145, pp.279-293. ⟨10.1016/j.ces.2016.02.025⟩

International audience; This paper regards the experimental study on the polymerization of vinyl chloride droplets in quiescent state using microreactors. As presented in a previous work performed with methyl methacrylate monomer, this work presents

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f9b6d36a3f324a7ef4faffbf3b2f43b
https://doi.org/10.1016/j.ces.2016.02.025

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Microreactors as a Tool for Acquiring Kinetic Data on Photochemical Reactions

Autor: Tristan Aillet, Karine Loubière, Odile Dechy-Cabaret, Laurent E. Prat

Publikováno v: Chemical Engineering and Technology
Chemical Engineering and Technology, Wiley-VCH Verlag, 2016, 39 (1), pp.115-122. ⟨10.1002/ceat.201500163⟩
Chemical Engineering and Technology, 2016, 39 (1), pp.115-122. ⟨10.1002/ceat.201500163⟩

International audience; For the first time, the application of microreactors as a tool for acquiring kinetic data on a photochemical reaction is demonstrated. For illustration, a T-photochromic system is considered. By using modeling tools and carryi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1071a078c5b94a873f369826e45aa59a
https://doi.org/10.1002/ceat.201500163

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Effects of Process Parameters on an Inverse Concentrated Miniemulsion Flowing in a Microchannel

Autor: Jean-François Blanco, Claire Malafosse, Laurent E. Prat, Nathalie Le Sauze, Karine Loubière, Herve Rolland, Jean-Noël Ollagnier, Aurélie Pierre

Publikováno v: Chemical Engineering and Technology
Chemical Engineering and Technology, Wiley-VCH Verlag, 2018, 41 (10), pp.1965-1974. ⟨10.1002/ceat.201800063⟩

International audience; Emulsions are of great industrial interest due to their wide variety and end‐use properties. Microfluidics systems provide excellent control of transport phenomena. Hence, the influence of operating parameters on a concentra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a052c870d56623af20ccb9255755ff3
https://oatao.univ-toulouse.fr/21069/

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General design methodology for reactive liquid–liquid extraction: application to dicarboxylic acid recovery in fermentation broth

Autor: Michel Meyer, Laurent E. Prat, Frederic Augier, Damien Leinekugel-le-Cocq, Benoit Mizzi

Publikováno v: Chemical Engineering and Processing: Process Intensification
Chemical Engineering and Processing: Process Intensification, Elsevier, 2017, 113, pp.20-34. ⟨10.1016/j.cep.2016.10.003⟩

International audience; A general design methodology for reactive liquid–liquid extraction is introduced in this paper. It is composed of three different steps: feasibility analysis, pre-design determination and simulation validation. This paper is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31d4c51675c594d043a594adb7803de8
https://oatao.univ-toulouse.fr/20462/

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Recovery of succinic acid in fermentation broth via reactive LL extraction: effect of chemical kinetics and solvent choice

Autor: Laurent E. Prat, Frederic Augier, Damien Leinekugel-le-Cocq, Benoit Mizzi, Michel Meyer

In this paper, a study of kinetics effects on the reactive liquid-liquid extraction column is proposed. In a first part, design parameters of reactive liquid-liquid extraction column are derived from a method proposed by Mizzi (2016). In a second par

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::680fca0f30611c9f7ff86804a735840d
https://doi.org/10.1016/b978-0-444-63965-3.50185-9

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Transparent and Inexpensive Microfluidic Device for Two-Phase Flow Systems with High-Pressure Performance

Autor: Laurent E. Prat, Fabienne Espitalier, Nayane Macedo Portela da Silva, Jean-Jacques Letourneau

Publikováno v: Chemical Engineering and Technology
Chemical Engineering and Technology, Wiley-VCH Verlag, 2014, 37 (11, SI), p. 1929-1937. ⟨10.1002/ceat.201400028⟩

International audience; A design strategy allowing the development of an inexpensive microdevice with a cylindrical section able to work at high pressures is established. The setup combines good optical access, high-pressure resistance, homogeneous o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::158a5abe35dc98c964db89025f2a2b77
https://doi.org/10.1002/ceat.201400028

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Transposition of a triphosgene-based process for pharmaceutical development: from mg·h-1 to kg·h-1 of an unsymmetrical urea

Autor: Laurent E. Prat, Odile Dechy-Cabaret, Léo Leroyer, Stéphane Hattou, Michel Cabassud, Christophe Gourdon, Matthieu Barthes, Philippe Camus

Publikováno v: Green Processing and Synthesis, Vol 2, Iss 3, Pp 239-250 (2013)
Green Processing and Synthesis
Green Processing and Synthesis, De Gruyter, 2013, 2 (3), pp.239-250. ⟨10.1515/gps-2013-0026⟩
Green Processing and Synthesis, 2013, 2 (3), pp.239-250. ⟨10.1515/gps-2013-0026⟩

International audience; A two reaction synthesis of a urea, using triphosgene, was studied. The objective was to transpose the process from laboratory scale to pre-industrial plant. The whole study was performed in a continuous process, adapting the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c34912fb8f1467af67e806753d2cddbd
https://doaj.org/article/350b96fa6c8e4059b67b3ab56f695c62

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Photochemical synthesis of a 'cage' compound in a microreactor: Rigorous comparison with a batch photoreactor

Autor: Odile Dechy-Cabaret, Karine Loubière, Laurent E. Prat, Tristan Aillet

Publikováno v: Chemical Engineering and Processing: Process Intensification
Chemical Engineering and Processing: Process Intensification, Elsevier, 2013, Vol. 64, pp. 38-47. ⟨10.1016/j.cep.2012.10.017⟩
Chemical Engineering and Processing: Process Intensification, 2013, Vol. 64, pp. 38-47. ⟨10.1016/j.cep.2012.10.017⟩

International audience; An intramolecular [2 + 2] photocycloaddition is performed in a microphotoreactor (0.81 mL) built by winding FEP tubing around a commercially available Pyrex immersion well in which a medium pressure mercury lamp is inserted. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1ffbd767a5a8221fefab16cb5c4faa6
https://doi.org/10.1016/j.cep.2012.10.017

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