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Showing 1 to 11 of 11 for “"Methanol Steam Reforming"”.
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Development of bimetallic Pd-Zn catalysts for methanol steam reforming: hydrogen production for fuel cells
… a fuel, a technology known as fuel processing. Methanol is an attractive source of H₂ compared to other fuels as it presents several advantages, i.e. it is obtained sulphur-free, has a high H to C ratio and therefore produces a H₂-rich reformate, can be reformed at low temperatures (200 - 300°C) …
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Renewable Electricity Generation via Solar-Powered Methanol Reforming: Hybrid Proton Exchange Membrane Fuel Cell Systems Based on Novel Non-Concentrating, Intermediate-Temperature Solar Collectors
… above 250 °C, use this collector to power methanol steam reforming, and operate a proton exchange membrane (PEM) fuel cell using the generated hydrogen. The study presents the construction and characterization of a non-concentrating, intermediate-temperature, fin-in-tube evacuated solar …
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Aerosol synthesis and Rietveld refinement of Pd2Zn
… option to replace current Cu catalysts for methanol steam reforming. The change in selectivity to CO2 that makes this a possibility has been attributed to the formation of tetragonal β1-PdZn at treatment temperatures of 500oC. Through the course of studying the phase evolution of the 1:1 …
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The Development of a Metal Plate Test Reactor for Studying Reaction Kinetics on Catalytically Coated Heat Transfer Components
… rate constant and activation energy for methanol steam reforming and compare these with previously published measurements. Methanol conversion was measured at slightly higher than atmospheric pressure at temperatures of 220, 240 and 260 °C. Steam to water ratio of feed was maintained at …
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Novel routes for synthesis of Pd nanoparticles and faceted ZnO supports for heterogeneous catalysts
Alcohol steam reforming is a promising source of hydrogen as fuel, and could be improved by the use of an optimal catalyst. The methanol steam reforming reaction, CH3OH+H2O --> 3H2+CO2 frequently conducted by means of a Cu/ZnO catalyst. Unfortunately, this catalyst deactivates quickly and is …
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Model systems for the study of active phase evolution in complex bimetallic catalysts (PdZn)
… preliminary work with CO oxidation coupled with methanol steam reforming (MSR) was used to gain insight into in-situ surface reactivity of PdZn for MSR. Multiple characterization techniques including XRD, Raman Spectroscopy, XPS, EDX along with TEM and STEM were used to gain valuable insight into …
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Super-ambient temperature gas phase photocatalysis
… examined in detail, the reaction of water and methanol to form carbon dioxide and hydrogen, and the water gas shift reaction, i.e. the reaction of water and carbon monoxide to form carbon dioxide and hydrogen. The catalysts were made via a wet impregnation method, typically between 0.01 to 10 …
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DESIGN OF NOVEL MATERIALS FOR PHOTO-THERMO-CATALYTIC SOLAR FUELS PRODUCTION
… hydrogen (H2) through water splitting or alcohol reforming, and the conversion of carbon dioxide (CO2) into valuable chemicals, has emerged as a highly promising route. Photocatalysis, which uses light to drive chemical reactions, offers a sustainable approach, but it faces significant …
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Surface chemistry and growth of oxide supported metal nanoparticles
… Cu on TiO2, which play primary roles on modern methanol industry. For instance, Au on ZnO and Cu on ZnO are important catalysts for methanol synthesis, water-shift reaction and methanol-steam reforming, while Cu on TiO2 possesses a high photocatalytic activity for photoreduction of CO2 into …
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Studies of the Ethanol Steam Reforming Reaction in a Membrane Reactor
… (MRs). The reaction studied is the ethanol steam reforming (ESR) reaction using Co-Na/ZnO catalysts, chosen because of their high activity and stability. The Co-Na/ZnO catalysts were prepared by a co-precipitation method and it was found that promotion with a moderate amount of Na (1.0 wt%) …
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Development of a new hybrid photochemical/electrocatalytic water splitting reactor for hydrogen production: design, analysis and experiments
… of photo-catalytic water splitting and solar methanol steam reforming are investigated as two potential solar-based methods of catalytic hydrogen production. The exergy efficiency, exergy destruction, environmental impact and sustainability index are investigated for these systems, as well as …