Search Results - "Borges, Luiz E.P."

Direct conversion of xylose to furfuryl alcohol on single organic–inorganic hybrid mesoporous silica-supported catalysts by Canhaci, Simone J., Perez, Rafael F., Borges, Luiz E.P., Fraga, Marco A.

“…[Display omitted] •Furfuryl alcohol can be produced directly from xylose in a single step process.•Presence of acid groups suppresses hydrogenation of xylose…”
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In situ infrared spectroscopic study of the reaction pathway of the direct synthesis of n-butanol from ethanol over MgAl mixed-oxide catalysts by Carvalho, Débora L., Borges, Luiz E.P., Appel, Lucia G., Ramírez de la Piscina, Pilar, Homs, Narcís

“…•One-step process ethanol to butanol on hydrotalcite-derived catalysts studied by IR.•Aldol condensation of ethanol to butanol on MgAl-oxides analyzed by in…”
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Hydrodeoxygenation of phenol over niobia supported Pd catalyst by Barrios, Adriana M., Teles, Camila A., de Souza, Priscilla M., Rabelo-Neto, Raimundo C., Jacobs, Gary, Davis, Burtron H., Borges, Luiz E.P., Noronha, Fabio B.

“…[Display omitted] •Pd supported on SiO2 and Nb2O5 for the HDO of phenol reaction.•Pd/Nb2O5 exhibited higher activity and selectivity to deoxygenated…”
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Steam reforming of ethanol on Rh/SiCeO2 washcoated monolith catalyst: Stable catalyst performance by Moraes, Tamara S., Borges, Luiz E.P., Farrauto, Robert, Noronha, Fabio B.

“…The performance of a new Rh/CeSiO2 catalyst supported on a ceramic monolith for steam reforming (SR) of ethanol for hydrogen generation was investigated. It…”
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One-step conversion of xylose to furfuryl alcohol on sulfated zirconia-supported Pt catalyst—Balance between acid and metal sites by Perez, Rafael F., Canhaci, Simone J., Borges, Luiz E.P., Fraga, Marco A.

“…[Display omitted] •Xylose direct conversion to furfuryl alcohol is reported for the first time on a single multifunctional catalyst.•Reaction network and…”
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The Ni/ZrO2 catalyst and the methanation of CO and CO2 by da Silva, Daniela C.D., Letichevsky, Sonia, Borges, Luiz E.P., Appel, Lucia G.

“…The Ni/ZrO2 catalyst is one of the most active systems for the methanation of CO to be employed in the hydrogen purification for PEMFC. This contribution aims…”
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Mg and Al mixed oxides and the synthesis of n-butanol from ethanol by Carvalho, Débora L., de Avillez, Roberto R., Rodrigues, Michelly T., Borges, Luiz E.P., Appel, Lucia G.

“…[Display omitted] ► The n-butanol one-step synthesis requires adjacent acid and medium basic sites. ► These pairs are generated by Al in the MgO lattice and…”
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Role of Oxophilic Supports in the Selective Hydrodeoxygenation of m-Cresol on Pd Catalysts by de Souza, Priscilla M., Nie, Lei, Borges, Luiz E. P., Noronha, Fabio B., Resasco, Daniel E.

“…The hydrodeoxygenation of m -cresol has been studied on SiO 2 - and ZrO 2 -supported Pd catalysts. Regardless of metal dispersion, the latter exhibit greatly…”
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Biofuels production by thermal cracking of soap from brown grease by Ratton Coppos, Alice R., Kahn, Suzana, Borges, Luiz E.P.

“…•Thermal cracking of sodium soap from brown grease is proposed to produce biofuel.•Yields above 60% of long-chain diesel-like hydrocarbons are obtained.•The…”
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RWGS reaction employing Ni/Mg(Al,Ni)O − The role of the O vacancies by Rodrigues, Michelly T., Zonetti, Priscila C., Alves, Odivaldo C., Sousa-Aguiar, Eduardo F., Borges, Luiz E.P., Appel, Lucia G.

“…[Display omitted] •Nio on the Mg(Al, Ni)O mixed oxide is a promising catalytic system for the RWGS reaction.•The amount of Ni on the surface and in the bulk of…”
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Lactic acid production from aqueous-phase selective oxidation of hydroxyacetone by Albuquerque, Elise M., Borges, Luiz E.P., Fraga, Marco A.

“…[Display omitted] •Heterogeneous catalytic synthesis of lactic acid from hydroxyacetone.•Pt-based heterogeneous catalyst has to mandatorily operate under…”
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Production of renewable hydrogen from aqueous-phase reforming of glycerol over Pt catalysts supported on different oxides by Menezes, André O., Rodrigues, Michelly T., Zimmaro, Adriana, Borges, Luiz E.P., Fraga, Marco A.

“…Aqueous-phase reforming of oxygenated hydrocarbons for hydrogen production presents several advantages as feed molecules can be easily found in a wide range of…”
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Discussing Lewis and Brønsted acidity on continuous pyruvaldehyde Cannizzaro reaction to lactic acid over solid catalysts by Santos, Kryslaine M.A., Albuquerque, Elise M., Borges, Luiz E.P., Fraga, Marco A.

“…[Display omitted] •Brønsted acid sites are not active on aqueous-phase conversion of pyruvaldehyde.•TiO2, ZrO2 and Nb2O5 water-tolerant Lewis acid sites are…”
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Production of biofuels by thermal catalytic cracking of scum from grease traps in pilot scale by da Silva Almeida, H., Corrêa, O.A., Eid, J.G., Ribeiro, H.J., de Castro, D.A.R., Pereira, M.S., Pereira, L.M., de Andrade Mâncio, A., Santos, M.C., da Silva Souza, J.A., Borges, Luiz E.P., Mendonça, N.M., Machado, N.T.

“…⿢Catalytic cracking of Scum from grease traps investigated in pilot scale at 450°C and 1.0atm.⿢Activated Red Mud used as catalyst produced OLP yields between…”
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Performance of thermochemical conversion of fat, oils, and grease into kerosene-like hydrocarbons in different production scales by da Silva Almeida, H., Corrêa, O.A., Eid, J.G., Ribeiro, H.J., de Castro, D.A.R., Pereira, M.S., Pereira, L.M., de Andrade Aâncio, A., Santos, M.C., da Mota, S.A.P, da Silva Souza, J.A., Borges, Luiz E.P., Mendonça, N.M., Machado, N.T.

“…•Performance of catalytic cracking investigated at 450°C and 1.0atm in different production scales (1:10:1000).•Catalytic cracking of residual fat with 10%…”
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Elimination of acetaldehyde from hydrogen rich streams employing Ni/ZrO2 by da Silva, Daniela C.D., Letichevsky, Sonia, Borges, Luiz E.P., Appel, Lucia G.

“…The elimination of acetaldehyde from H2 streams was studied employing the TPSR of acetaldehyde decomposition, thermodesorption of acetaldehyde followed by FTIR…”
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Deacidification of organic liquid products by fractional distillation in laboratory and pilot scales by Ferreira, C.C., Costa, E.C., de Castro, D.A.R., Pereira, M.S., Mâncio, A.A., Santos, M.C., Lhamas, D.E.L., da Mota, S.A.P., Leão, A.C, Duvoisin, S., Araújo, M.E., Borges, Luiz E.P., Machado, N.T.

“…•De-acidification of OLP investigated by distillation in laboratory and pilot scales.•The effect of column height and reflux on the properties of distillation…”
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Hydrodeoxygenation of Phenol over Pd Catalysts. Effect of Support on Reaction Mechanism and Catalyst Deactivation by de Souza, Priscilla M, Rabelo-Neto, Raimundo C, Borges, Luiz E. P, Jacobs, Gary, Davis, Burtron H, Resasco, Daniel E, Noronha, Fabio B

“…This work investigates the effect of the type of support (SiO2, Al2O3, TiO2, ZrO2, CeO2, and CeZrO2) on the performance of Pd-based catalysts for the…”
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Catalytic Upgrading of Xylose to Furfuryl Alcohol over Zr-SBA-15 by Perez, Rafael F, Borges, Luiz E. P, Fraga, Marco A

“…Direct conversion of xylose to furfuryl alcohol was investigated over Zr-SBA-15 mesoporous catalysts. A low-concentration aqueous xylose solution was used as…”
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Role of Keto Intermediates in the Hydrodeoxygenation of Phenol over Pd on Oxophilic Supports by de Souza, Priscilla M, Rabelo-Neto, Raimundo C, Borges, Luiz E. P, Jacobs, Gary, Davis, Burtron H, Sooknoi, Tawan, Resasco, Daniel E, Noronha, Fabio B

“…The performance of Pd catalysts supported on SiO2, Al2O3 and ZrO2 for the hydrodeoxygenation (HDO) of phenol has been compared in the gas phase, at 300 °C and…”
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