Výsledky vyhledávání - "Julien Scalbert"

Ethanol condensation to butanol at high temperatures over a basic heterogeneous catalyst: How relevant is acetaldehyde self-aldolization?

Autor: Julien Scalbert, Didier Morvan, Roland Jacquot, Frédéric Thibault-Starzyk, Frederic Meunier

Publikováno v: Journal of Catalysis
Journal of Catalysis, Elsevier, 2014, 311, pp.28-32. ⟨10.1016/j.jcat.2013.11.004⟩

INGENIERIE+FRM; The condensation of ethanol to butanol was investigated over a commercial hydroxyapatite catalyst in the 350-410 degrees C temperature range. An analysis of thermodynamic and kinetic data, including the measure of the concentration of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6d871b4eac488d74021e9d4478e3267
https://doi.org/10.1016/j.jcat.2013.11.004

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ChemInform Abstract: Unraveling the Mechanism of Chemical Reactions Through Thermodynamic Analyses: A Short Review

Autor: Frederic Meunier, Frédéric Thibault-Starzyk, Julien Scalbert

Publikováno v: ChemInform. 46

Basic thermodynamic analyses can provide in-depth knowledge of the mechanism of chemical reactions. This short review recalls first the definitions of the approach-to-equilibrium η, the reaction quotient Q and the thermodynamic equilibrium constant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc8d0d8608ccdbbd03086f9283b26898
https://doi.org/10.1002/chin.201546294

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Unraveling the mechanism of catalytic reactions through combined kinetic and thermodynamic analyses: Application to the condensation of ethanol

Autor: Frederic Meunier, Julien Scalbert, Frédéric Thibault-Starzyk

Publikováno v: Comptes Rendus. Chimie
Comptes Rendus. Chimie, Académie des sciences (Paris), 2015, 18 (3), pp.345-350. ⟨10.1016/j.crci.2014.07.002⟩

SSCI-VIDE+ING+FRM; International audience; The combination of kinetic and thermodynamic analyses can provide an in-depth knowledge of the crucial steps of catalyzed reactions. Earlier examples are recalled to stress how a reaction mechanism can be su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae20a5f488e8d5e3f8a5492746acc253
https://hal.archives-ouvertes.fr/hal-01172536

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Unraveling the mechanism of chemical reactions through thermodynamic analyses: A short review

Autor: Julien Scalbert, Frederic Meunier, Frédéric Thibault-Starzyk

Publikováno v: Applied Catalysis A : General
Applied Catalysis A : General, Elsevier, 2015, ⟨10.1016/j.apcata.2014.12.028⟩

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7a81105663dfad75193ca40448c05de
https://hal.archives-ouvertes.fr/hal-01229991

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Simultaneous investigation of the structure and surface of a Co/alumina catalyst during Fischer–Tropsch synthesis : discrimination of various phenomena with beneficial or disadvantageous impact on activity

Autor: Christèle Legens, Fabrice Diehl, Isabelle Clémençon, Philippe Lecour, L. Braconnier, Julien Scalbert

Publikováno v: Catalysis science and Technology
Catalysis science and Technology, Royal Chemical Society of Chemistry, 2015, 5 (8), pp.4193-4201. ⟨10.1039/c5cy00556f⟩

International audience; A system combining XRD and DRIFTS characterization techniques was developed to monitor the structureand the surface of a cobalt catalyst during the Fischer–Tropsch synthesis. In the present study, severalphenomena could be o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb83904e33368edb27941c733039ecd9
https://hal.archives-ouvertes.fr/hal-01258817

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Rational design of a CO2-resistant toluene hydrogenation catalyst based on FT-IR spectroscopy studies

Autor: Cyril Thomas, Frederic Meunier, Cécile Daniel, Yves Schuurman, Julien Scalbert

Publikováno v: Journal of Catalysis
Journal of Catalysis, Elsevier, 2014, 318, pp.61-66. ⟨10.1016/j.jcat.2014.07.013⟩
Journal of Catalysis, 2014, 318, pp.61-66. ⟨10.1016/j.jcat.2014.07.013⟩

SSCI-VIDE+ING+CDA:YSC:FRM; International audience; Rhodium highly dispersed on alumina becomes partly poisoned by strongly bound CO when used for toluene hydrogenation at 348 K in the presence of CO2. Operando FT-IR analysis enabled to observed CO(ad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f60c6eec914acb3fb4e68c288a894665
https://hal.sorbonne-universite.fr/hal-01065000

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An operando DRIFTS investigation into the resistance against CO2 poisoning of a Rh/alumina catalyst during toluene hydrogenation

Autor: Frederic Meunier, Cécile Daniel, Yves Schuurman, Julien Scalbert

Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2012, 14 (7), pp.2159-2163. ⟨10.1039/c1cp22620g⟩

INGENIERIE+YSC; CO2 is a major contaminant of renewable H-2 derived from biomass fermentation. The effect of the presence of CO2 on the activity of alumina-supported Pt and Rh catalysts used for the hydrogenation of toluene at 348 K was investigated.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70b16cb9bc32173fab0de1855d95cb5c
https://hal.archives-ouvertes.fr/hal-00700213/document

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Multiple and antagonistic effects of water on intrinsic physical properties of model Fischer–Tropsch cobalt catalysts evidenced by in situ X-ray diffraction

Autor: Isabelle Clémençon, Anne-Lise Taleb, Julien Scalbert, Christèle Legens, Loïc Sorbier, Fabrice Diehl

Publikováno v: Chemical Communications. 50:7866

Direct evidence for cobalt oxidation under water treatment at 230 °C was revealed using in situ XRD, even in the presence of small amounts of H2. Oxidation kinetics was proved to be particle size dependent. The resulting Co3O4 showed a firmly smalle

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e8a8f34fbc0045737b24bbc3e3334c5
https://doi.org/10.1039/c4cc00947a

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