Elisabete M. Assaf
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View article: Overview of Collaborative Research Between UNICAMP in Brazil and Fermilab in Cryogenics
Overview of Collaborative Research Between UNICAMP in Brazil and Fermilab in Cryogenics Open
The Long-Baseline Neutrino Facility (LBNF) situated at the Sanford Underground Research Facility (SURF) in Lead, South Dakota, serves as the host for the Deep Underground Neutrino Experiment (DUNE), employing cryostats with nearly 70,000 m…
View article: CO<sub>2</sub> Hydrogenation to Methanol over Mesoporous SiO<sub>2</sub>-Coated Cu-Based Catalysts
CO<sub>2</sub> Hydrogenation to Methanol over Mesoporous SiO<sub>2</sub>-Coated Cu-Based Catalysts Open
[Image: see text] Although chemical promotion led to essential improvements in Cu-based catalysts for CO(2) hydrogenation to methanol, surpassing structural limitations such as active phase aggregation under reaction conditions remains cha…
View article: Influence of the La/Ce Ratio on La-Ce Oxides Promoted by Sr in the Methane Oxidative Coupling Reaction
Influence of the La/Ce Ratio on La-Ce Oxides Promoted by Sr in the Methane Oxidative Coupling Reaction Open
View article: Green hydrogen Production from the oxidative reform of clean biogas over Ni/MgO-Nb2O5 catalysts
Green hydrogen Production from the oxidative reform of clean biogas over Ni/MgO-Nb2O5 catalysts Open
Synthesis gas has a variety of applications ranging from its transformation into Fischer-Tropsch fuels, its processing to produce pure hydrogen, and even its direct combustion to generate energy, among many other applications. The objectiv…
View article: Partial Oxidation of Bio-methane over Nickel Supported on MgO–ZrO2 Solid Solutions
Partial Oxidation of Bio-methane over Nickel Supported on MgO–ZrO2 Solid Solutions Open
View article: Growth of ZrO2 films on mesoporous silica sieve via atomic layer deposition
Growth of ZrO2 films on mesoporous silica sieve via atomic layer deposition Open
View article: Ethanol formation from CO2 hydrogenation at atmospheric pressure using Cu catalysts: Water as a key component
Ethanol formation from CO2 hydrogenation at atmospheric pressure using Cu catalysts: Water as a key component Open
View article: The role of copper crystallization and segregation toward enhanced methanol synthesis via CO2 hydrogenation over CuZrO2 catalysts: A combined experimental and computational study
The role of copper crystallization and segregation toward enhanced methanol synthesis via CO2 hydrogenation over CuZrO2 catalysts: A combined experimental and computational study Open
View article: Synthesis-Gas Production from Methane over Ni/CeO2 Catalysts Synthesized by Co-Precipitation Method in Different Solvents
Synthesis-Gas Production from Methane over Ni/CeO2 Catalysts Synthesized by Co-Precipitation Method in Different Solvents Open
Ni/CeO2 catalysts were synthesized by the coprecipitation method in a basic medium, using different solvents: water, methanol, ethanol, and isopropanol (Ni content, 10% wt.). These catalysts were tested in the production of syngas through …
View article: Technical Note CRYOFRABR#002/2021: Activated-copper-coated alumina granules synthesis
Technical Note CRYOFRABR#002/2021: Activated-copper-coated alumina granules synthesis Open
Detailed experimental studies of oxygen capture in the argon purification process using activated-copper on alumina and layered double hydroxide (LDH) were carried out, and the results were compared to the BASF commercial copper material C…
View article: Effect of operating parameters on H2/CO2 conversion to methanol over Cu-Zn oxide supported on ZrO2 polymorph catalysts: Characterization and kinetics
Effect of operating parameters on H2/CO2 conversion to methanol over Cu-Zn oxide supported on ZrO2 polymorph catalysts: Characterization and kinetics Open
View article: Statistical modeling applied to the oxidative coupling of methane reaction over porous (SrxLa1-x)CeO mixed oxides for optimization of C2 yield, C2 selectivity, and C2H4 selectivity
Statistical modeling applied to the oxidative coupling of methane reaction over porous (SrxLa1-x)CeO mixed oxides for optimization of C2 yield, C2 selectivity, and C2H4 selectivity Open
View article: Cu-Modified SrTiO<sub>3</sub>Perovskites Toward Enhanced Water–Gas Shift Catalysis: A Combined Experimental and Computational Study
Cu-Modified SrTiO<sub>3</sub>Perovskites Toward Enhanced Water–Gas Shift Catalysis: A Combined Experimental and Computational Study Open
A water-gas shift reaction (WGS) is important and widely applied in the production of H2. Cu-modified perovskites are promising catalysts for WGS reactions in hydrogen generation. However, the structure-dependent stability and reaction pat…
View article: Effect of Mg substitution on LaTi<sub>1−x</sub>Mg<sub>x</sub>O<sub>3+δ</sub> catalysts for improving the C2 selectivity of the oxidative coupling of methane
Effect of Mg substitution on LaTi<sub>1−x</sub>Mg<sub>x</sub>O<sub>3+δ</sub> catalysts for improving the C2 selectivity of the oxidative coupling of methane Open
Mg substitution on B sites of La2Ti2O7 perovskites promoted changes in the surface active-site distribution leading to improvements in the C2 selectivity during the oxidative coupling of methane.
View article: Insights into the methanol synthesis mechanism via CO2 hydrogenation over Cu-ZnO-ZrO2 catalysts: Effects of surfactant/Cu-Zn-Zr molar ratio
Insights into the methanol synthesis mechanism via CO2 hydrogenation over Cu-ZnO-ZrO2 catalysts: Effects of surfactant/Cu-Zn-Zr molar ratio Open
View article: Study of Ni/CeO2–ZnO catalysts in the production of H2 from acetone steam reforming
Study of Ni/CeO2–ZnO catalysts in the production of H2 from acetone steam reforming Open
View article: PRODUÇÃO DE GÁS DE SÍNTESE A PARTIR DA REFORMA TRIPLA DO METANO EMPREGANDO CATALISADORES Ni/CeZrO2/MgAl2O4: INFLUÊNCIA DA PROPORÇÃO MOLAR Ce/Zr
PRODUÇÃO DE GÁS DE SÍNTESE A PARTIR DA REFORMA TRIPLA DO METANO EMPREGANDO CATALISADORES Ni/CeZrO2/MgAl2O4: INFLUÊNCIA DA PROPORÇÃO MOLAR Ce/Zr Open
O objetivo deste trabalho é o estudo da aplicação de catalisadores Ni/CeZrO2/MgAl2O4 à reforma tripla do metano, variando as proporções molares Ce/Zr (Ce/Zr= 0,25, 1 e 4) no espinélio. Os catalisadores foram caracterizados através de H2-TP…
View article: CATALISADORES Ni/ZrO2 PELA ROTA IONOTÉRMICA APLICADOS NA TRI-REFORMA DO METANO
CATALISADORES Ni/ZrO2 PELA ROTA IONOTÉRMICA APLICADOS NA TRI-REFORMA DO METANO Open
A tri-reforma, combinação sinergética das reformas a vapor, a seco e oxidativa do metano, tem o intuito de produzir gás de síntese com proporções requeridas para a produção de combustíveis líquidos. Líquidos iônicos podem ser aplicados na …
View article: CATALISADORES Cu-Zn SUPORTADOS EM ZrO2 MESOPOROSA PARA PRODUÇÃO DE METANOL A PARTIR DO CO2
CATALISADORES Cu-Zn SUPORTADOS EM ZrO2 MESOPOROSA PARA PRODUÇÃO DE METANOL A PARTIR DO CO2 Open
Catalisadores de Cu e Zn impregnados em zircônia mesoporosa foramaplicados à reação de hidrogenação do CO2 para produção de metanol. Na preparaçãoda zircônia aplicou-se o método de refluxo, na presença e na ausência do [email protected] (P…
View article: Synthesis of NiO/Y<sub>2</sub>O<sub>3</sub>/ZrO<sub>2</sub> Catalysts Prepared by One-Step Polymerization Method and Their Use in the Syngas Production from Methane
Synthesis of NiO/Y<sub>2</sub>O<sub>3</sub>/ZrO<sub>2</sub> Catalysts Prepared by One-Step Polymerization Method and Their Use in the Syngas Production from Methane Open
In this work, the production of Syngas (H 2 /CO) from oxidative reforming of methane (ORM) and partial oxidation of methane (POM) over NiO/Y 2 O 3 /ZrO 2 catalysts was studied. The nickel concentration was varied (ranging from 0 to 40 wt.%…
View article: Influence of MgO content as an additive on the performance of Ni/MgO SiO2 catalysts for the steam reforming of glycerol
Influence of MgO content as an additive on the performance of Ni/MgO SiO2 catalysts for the steam reforming of glycerol Open
View article: Hexagonal-Nb2O5/Anatase-TiO2 mixtures and their applications in the removal of Methylene Blue dye under various conditions
Hexagonal-Nb2O5/Anatase-TiO2 mixtures and their applications in the removal of Methylene Blue dye under various conditions Open
View article: Hydrotalcites derived catalysts for syngas production from biogas reforming: Effect of nickel and cerium load
Hydrotalcites derived catalysts for syngas production from biogas reforming: Effect of nickel and cerium load Open
View article: OXIDATIVE-REFORMING OF METHANE AND PARTIAL OXIDATION OF METHANE REACTIONS OVER NiO/PrO2/ZrO2 CATALYSTS: EFFECT OF NICKEL CONTENT
OXIDATIVE-REFORMING OF METHANE AND PARTIAL OXIDATION OF METHANE REACTIONS OVER NiO/PrO2/ZrO2 CATALYSTS: EFFECT OF NICKEL CONTENT Open
In this work the behavior of NiO-PrO2-ZrO2 catalysts containing various nickel loadings was evaluated in the partial oxidation of methane and oxidative-reforming reactions of methane. The catalysts were characterized by X-Ray Diffraction A…
View article: Alternative route for the synthesis of high surface-area η-Al2O3/Nb2O5 catalyst from aluminum waste
Alternative route for the synthesis of high surface-area η-Al2O3/Nb2O5 catalyst from aluminum waste Open
View article: Renewable hydrogen from glycerol reforming over nickel aluminate-based catalysts
Renewable hydrogen from glycerol reforming over nickel aluminate-based catalysts Open
View article: Effect of the active metal on the catalytic activity of the titanate nanotubes for dry reforming of methane
Effect of the active metal on the catalytic activity of the titanate nanotubes for dry reforming of methane Open
View article: Methanol to C<sub>2</sub> and C<sub>4</sub> fuels over (Nb/Al)-pillared clay catalysts
Methanol to C<sub>2</sub> and C<sub>4</sub> fuels over (Nb/Al)-pillared clay catalysts Open
Pillared interlayer clay (PILC) is a low cost material, which is characterized by a large specific surface area, high pore volume and surface acidity that make it effective in catalytic reactions.
View article: In situ study of copper reduction in SrTi<sub>1−x</sub>Cu<sub>x</sub>O<sub>3</sub> nanoparticles
In situ study of copper reduction in SrTi<sub>1−x</sub>Cu<sub>x</sub>O<sub>3</sub> nanoparticles Open
Fourier transform magnitude of Cu K-edge absorption spectra before (300 K) and after (550 K) reduction.
View article: Bio-ethanol steam reforming for hydrogen production over Co3O4/CeO2 catalysts synthesized by one-step polymerization method
Bio-ethanol steam reforming for hydrogen production over Co3O4/CeO2 catalysts synthesized by one-step polymerization method Open