Search Results - "Geantet, C"

Catalytic hydroconversion of a wheat straw soda lignin: Characterization of the products and the lignin residue by Joffres, B., Lorentz, C., Vidalie, M., Laurenti, D., Quoineaud, A.-A., Charon, N., Daudin, A., Quignard, A., Geantet, C.

“…[Display omitted] ► Characterization of a wheat straw soda lignin (FTIR, GPC, 1D and 2D NMR) and lignin residue. ► Implementation of an experimental product…”
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Deoxygenation mechanisms on Ni-promoted MoS2 bulk catalysts: A combined experimental and theoretical study by Ruinart de Brimont, M., Dupont, C., Daudin, A., Geantet, C., Raybaud, P.

“…The deoxygenation pathways of ester depend on the nature of the transition metal sulfide bulk catalyst: MoS2-based catalysts favor hydrodeoxygenation, whereas…”
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Lignin hydroconversion on MoS2-based supported catalyst: Comprehensive analysis of products and reaction scheme by Joffres, B., Nguyen, M.T., Laurenti, D., Lorentz, C., Souchon, V., Charon, N., Daudin, A., Quignard, A., Geantet, C.

“…[Display omitted] •A wheat straw soda lignin was successfully converted in bioliquid using a NiMoS supported catalyst.•A deep characterization of the lignin…”
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Conversion of guaiacol over supported ReOx catalysts: Support and metal loading effect by Leiva, K., Garcia, R., Sepulveda, C., Laurenti, D., Geantet, C., Vrinat, M., Garcia-Fierro, J.L., Escalona, N.

“…[Display omitted] •The ReOx/SiO2 catalyst displayed the highest activity for guaiacol conversion.•The highest activity of ReOx/SiO2 was attributed to the…”
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Hydrodeoxygenation of 2-methoxyphenol over different Re active phases supported on SiO2 catalysts by Leiva, K., Martinez, N., Sepulveda, C., García, R., Jiménez, C.A., Laurenti, D., Vrinat, M., Geantet, C., Fierro, J.L.G., Ghampson, I.T., Escalona, N.

“…•Guaiacol conversion was studied over supported rhenium-based catalysts.•ReOx was the most active and selective catalyst towards deoxygenated products.•The…”
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Hydrogen release through catalyzed methanolysis of solid sodium borohydride by Hannauer, J., Demirci, U. B., Pastor, G., Geantet, C., Herrmann, J. M. Null, Miele, P.

“…Methanolysis of sodium borohydride (NaBH4) is a way of recovering the hydrogen stored in the hydride. Though the reaction is spontaneous, it can be accelerated…”
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Influence of the solution pH in impregnation with citric acid and activity of Ni/W/Al2O3 catalysts by Suárez-Toriello, V.A., Santolalla-Vargas, C.E., de los Reyes, J.A., Vázquez-Zavala, A., Vrinat, M., Geantet, C.

“…[Display omitted] •Ni/W/Al2O3 catalyst prepared with nickel-citrate solutions at different pH values.•Highly active Ni/W/Al2O3 catalyst in the HDS of…”
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Catalytic hydroconversion of pyrolytic bio-oil: Understanding and limiting macromolecules formation by Ozagac, Mathieu, Bertino-Ghera, C., Uzio, D., Quignard, A., Laurenti, D., Geantet, C.

“…Fast pyrolysis followed by catalytic hydroconversion is a value chain aimed to transform lignocellulosic biomass into biofuel or chemicals. During…”
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Selective ring opening of decalin over bifunctional RuS2/zeolite catalysts by Catherin, N., Blanco, E., Piccolo, L., Laurenti, D., Simonet, F., Lorentz, C., Leclerc, E., Calemma, V., Geantet, C.

“…[Display omitted] •Selective ring opening on thioresistant RuSx on zeolite systems.•Bifunctional catalysis.•Mechanism driven by zeolite acidity.•Reaction…”
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Valorization of biomass derivatives through the conversion of phenol over silica-supported Mo-Re oxide catalysts by Herrera, C., Ghampson, I.T., Cruces, K., Sepúlveda, C., Barrientos, L., Laurenti, D., Geantet, C., Serpell, R., Contreras, D., Melin, V., Escalona, N.

“…[Display omitted] •Mo-Re catalyst with equal composition produce the highest phenol conversion.•Synergistic effect between both Re and Mo oxide species has…”
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Thermochemical Conversion of Lignin for Fuels and Chemicals: A Review by Joffres, B., Laurenti, D., Charon, N., Daudin, A., Quignard, A., Geantet, C.

“…Lignin is one of the biomass components potentially usable as renewable resource to produce fuels or chemicals. After separation from the lignocellulosic…”
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Overview of support effects in hydrotreating catalysts by Breysse, Michèle, Afanasiev, Pavel, Geantet, Christophe, Vrinat, Michel

“…The commercial hydrotreating catalysts are usually composed of a sulfide active phase supported on alumina. It has been known for more than 15 years that other…”
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Understanding macromolecules formation from the catalytic hydroconversion of pyrolysis bio-oil model compounds by Ozagac, M., Bertino-Ghera, C., Uzio, D., Rivallan, M., Laurenti, D., Geantet, C.

“…Catalytic hydroconversion of pyrolysis bio-oils is a promising process that can greatly contributes to their deoxygenation. Other simultaneous reactions such…”
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Role of chelating agent on the oxidic state of hydrotreating catalysts by Mazoyer, P., Geantet, C., Diehl, F., Loridant, S., Lacroix, M.

“…Chelating agents enhance the catalytic properties of HDT catalysts. It was evidenced that the presence of this organic compounds delays sulfidation. In the…”
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Detailed characterization of coal-derived liquids from direct coal liquefaction on supported catalysts by Stihle, J., Uzio, D., Lorentz, C., Charon, N., Ponthus, J., Geantet, C.

“…► New analytical data on a coal liquid obtained from direct coal liquefaction. ► We fractionate the coal liquid in four cuts in order to analyze them with the…”
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Impact of guaiacol on the formation of undesired macromolecules during catalytic hydroconversion of bio-oil: A model compounds study by Ozagac, M., Bertino-Ghera, C., Uzio, D., Rivallan, M., Laurenti, D., Geantet, C.

“…Although catalytic hydroconversion of pyrolysis bio-oils has been studied for many years, side reactions such as condensation or oligomerization leading to…”
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Kinetic study of the conversion of 2-methoxyphenol over supported Re catalysts: Sulfide and oxide state by Leiva, K., Sepulveda, C., García, R., Laurenti, D., Vrinat, M., Geantet, C., Escalona, N.

“…[Display omitted] •Kinetics of guaiacol conversion over ReS2/SiO2 and ReOx/SiO2 catalysts were studied.•Langmuir–Hinshelwood kinetic models were developed for…”
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MoS2 formation induced by amorphous MoS3 species under lubricated friction by Oumahi, C, De Barros-Bouchet, M. I, Le Mogne, T, Charrin, C, Loridant, S, Geantet, C, Afanasiev, P, Thiebaut, B

“…Amide molybdate has been recently introduced as a friction modifier for tribological applications. Combined with zinc dithiophosphate (ZDDP) and fatty amines,…”
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Booster effect of fatty amine on friction reduction performance of Mo-based additives by De Barros Bouchet, M.I., Martin, J.M., Oumahi, C., Gorbatchev, O., Afanasiev, P., Geantet, C., Iovine, R., Thiebaut, B., Heau, C.

“…This paper investigates the boosting effect on friction reduction performance of a fatty triamine (AM) when used as a third organic additive to base oil…”
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Deep Hydrodesulfurization of Dibenzothiophenes Over NiW Sulfide Catalysts Supported on Sol–Gel Titania–Alumina by Tavizón-Pozos, J. A., Suárez-Toriello, V. A., de los Reyes, J. A., Guevara-Lara, A., Pawelec, B., Fierro, J. L. G., Vrinat, M., Geantet, C.

“…This work showed that the use of Al 2 O 3 –TiO 2 as carriers has a positive effect on the activity of supported NiW catalysts in the hydrodesulfurization of…”
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