Exploració per autor "Llorca Piqué, Jordi"
Ara es mostren els items 255-274 de 348
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Reactions of ethanol over CeO2 and Ru/CeO2 catalysts
(2016-11-15)
Article
Accés obertThe reaction of ethanol has been investigated on Ru/CeO2 in steady state conditions as well as with temperature programmed desorption (TPD). High resolution transmission electron microscopy (HRTEM) images indicated that ... -
Recent advances in the catalytic production of platform chemicals from holocellulosic biomass
(2019-04-18)
Article
Accés obertThis Review discusses novel catalytic pathways of lignocellulosic biomass to value-added chemicals including biomass-derived sugar alcohols, organic acids, furans and biohydrocarbons. These production approaches are ... -
Recycled low-density polyethylene for noninvasive glucose monitoring: a proposal for plastic recycling that adds technological value
(2020-08-24)
Article
Accés obertIn this work, we present a successful strategy to convert recycled LDPE films, which usually end up in landfills or leak into the environment, into an advanced biomedical product. More specifically, LDPE films for food ... -
Relevant parameters for the mechanochemical synthesis of bimetallic supported catalysts
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-14)
Article
Accés obertMechanochemical synthesis for the preparation of bimetallic catalysts is gaining increasing interest, and in recent years, some important milestones have been reached. However, the complexity of mechanochemically prepared ... -
Remarkable carbon dioxide hydrogenation to ethanol on a palladium/iron oxide single-atom catalyst
(2018-06-07)
Article
Accés restringit per política de l'editorialThe hydrogenation of CO2 into value-added chemicals is one of the most investigated methods to reduce CO2 emissions in the atmosphere and thereby contributes to a sustainable chemical industry. Whereas the catalytic ... -
Revealing the effects of high Al loading incorporation in the SBA-15 silica mesoporous material
(Springer Nature, 2023-04-01)
Article
Accés obertHigh aluminum loading incorporation in the SBA-15 silica structure was investigated. Different Si/Al molar ratios (15, 10, and 2) were evaluated. The SBA-15 and the aluminum-containing materials (Al-SBA-15) were prepared ... -
Review of the Decomposition of Ammonia to Generate Hydrogen
(American Chemical Society (ACS), 2021-05-21)
Article
Accés obertBecause of the problems associated with the generation and storage of hydrogen in portable applications, the use of ammonia has been proposed for on-site production of hydrogen through ammonia decomposition. First, an ... -
Role of the synthesis route on the properties of hybrid LDH-graphene as basic catalysts
(2017-02-28)
Article
Accés obertLayered double hydroxides (LDH or HT) or their derived mixed oxides present marked acid-base properties useful in catalysis, but they lead to agglomerate inducing a weak accessibility to the active sites. In this study we ... -
Room temperature oxidation of formaldehyde on Pt-based catalysts: A comparison between ceria and other supports (TiO2, Al2O3 and ZrO2)
(2015-09-15)
Article
Accés obertPlatinum-based catalysts for the room temperature removal of formaldehyde are prepared on ceria and other supports (TiO2, Al2O3 and ZrO2) for comparison, starting from chloride and nitrate precursors. The behaviour towards ... -
Room-temperature Suzuki-Miyaura reaction catalyzed by Pd supported on rare earth oxides: Influence of the point of zero charge on the catalytic activity
(2013-06-01)
Article
Accés restringit per política de l'editorialFive Pd/REO (rare earth oxide) compounds (Pd/La2O3, Pd/CeO2, Pd/Pr6O11, Pd/Sm2O 3, and Pd/Gd2O3) have been successfully used as precatalysts in the Suzuki-Miyaura C-C cross-coupling reaction of aryl bromides with arylboronic ... -
Selective hydrodeoxygenation of biomass derived 5-hydroxymethylfurfural over silica supported iridium catalysts
(2019-02-01)
Article
Accés obertCatalytic performance of iridium supported on SiO2 was investigated for 5-hydroxymethylfurfural (HMF) transformation. Ir/SiO2 catalysts exhibiting different metal loading (1, 3, and 5¿wt.%) were tested in the preliminary ... -
Selective liquid phase benzyl alcohol oxidation over Cu-loaded LaFeO3 perovskite
(2016)
Article
Accés restringit per política de l'editorialCopper loaded LaMO3 (M = Mn, Fe and Co) perovskites have been synthesized by a single-step solution combustion method. These materials have been investigated for liquid phase oxidation of benzyl alcohol using tertiary butyl ... -
Selective methanol-to-formate electrocatalytic conversion on branched nickel carbide
(2020-11-16)
Article
Accés obertA methanol economy will be favored by the availability of low-cost catalysts able to selectively oxidize methanol to formate. This selective oxidation would allow extraction of the largest part of the fuel energy while ... -
Selective methanol-to-formate electrocatalytic conversion on branched nickel carbide
(2020-08-06)
Article
Accés obertA methanol economy will be favored by the availability of low-cost catalysts able to selectively oxidize methanol to formate. This selective oxidation would allow extraction of the largest part of the fuel energy while ... -
Shape-dependent activity of ceria in soot combustion
(2014-01)
Article
Accés restringit per política de l'editorialIn this study, a series of conventional polycrystalline ceria and single-crystalline ceria nanorods and nanocubes were prepared by hydrothermal methods, and their structural, redo; and morphological properties were ... -
Silicone microreactors for the photocatalytic generation of hydrogen
(2016-09-15)
Article
Accés obertA silicone microreactor with 500 mu m-width microchannels coated with a Au/TiO2 photocatalyst was manufactured and tested for the photocatalytic generation of hydrogen from gaseous water-ethanol mixtures under dynamic ... -
Silver and manganese co-doped titanium oxide aerogel for effective diclofenac degradation under UV-A light irradiation
(2019-03-30)
Article
Accés obertThe photodegradation of diclofenac from aqueous medium under UV-A light condition has been essayed using co-doped with manganese and silver TiO2 photocatalysts. X-ray diffraction, Raman spectroscopy, Scanning electron ... -
Silver-based catalytic materials for the simultaneous removal of soot and NOx
(2015-12-01)
Article
Accés obertThe potential of silver-based catalysts in the simultaneous removal of particulate matter (soot) and NOxis investigated in this work and compared with that of a model Pt-Ba/Al2O3catalyst. The Ag (5 wt%) - Ba (10 wt%)/MO ... -
Simulation of two-step redox recycling of non-stoichiometric ceria with thermochemical dissociation of CO 2 /H 2 O in moving bed reactors – Part I: Model development with redox kinetics and sensitivity analysis
(2019-03-29)
Article
Accés obertChemical looping syngas production is a two-step process that produces CO and H2 from water and CO2 splitting. This is performed by exploiting a metal oxide as oxygen carrier material, which is thermally reduced and releases ... -
Simulation of two-step redox recycling of non-stoichiometric ceria with thermochemical dissociation of CO 2 /H 2 O in moving bed reactors – Part II: Techno-economic analysis and integration with 100¿MW oxyfuel power plant with carbon capture
(2019-09-21)
Article
Accés obertThis paper presents the model of a solar thermochemical looping CO2/H2O dissociation (CL) unit with commercial ceria as the redox oxygen carrier. The CL unit is integrated in an oxy-fuelled combined cycle power plant as ...
