Articles with "ceo2 zro2" as a keyword



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Synthesis gas production by catalytic partial oxidation of natural gas using ceramic foam catalyst

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Published in 2018 at "Catalysis Today"

DOI: 10.1016/j.cattod.2017.06.011

Abstract: Abstract Catalytic partial oxidation (CPOX) of natural gas was investigated over granule and ceramic foam Rh/CeO2+ZrO2+MgO catalysts under high throughput (GHSV of 180,000–1,600,000 h−1) conditions at various pressures from 0.1 to 2.1 MPaA. The application of ceramic… read more here.

Keywords: oxidation; ceo2 zro2; ceramic foam; gas ... See more keywords
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Elucidation of metal and support effects during ethanol steam reforming over Ni and Rh based catalysts supported on (CeO2)-ZrO2-La2O3

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2020.03.020

Abstract: Abstract Hydrogen production via steam reforming of biomass derived oxygenates is a promising environmental alternative to the use of fossil fuels. The ethanol steam reforming reaction is investigated over Ni and Rh based catalysts supported… read more here.

Keywords: metal support; ceo2 zro2; zro2; steam reforming ... See more keywords
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Structure-dependent selective hydrogenation of cinnamaldehyde over high-surface-area CeO2-ZrO2 composites supported Pt nanoparticles

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.04.026

Abstract: Abstract Tetravalent metal oxides, such as ceria and zirconia, are widely used as support materials in a broad range of heterogeneous catalytic processes. Herein, high-surface-area CeO2-ZrO2 composite supports with micro/mesoprous structures were first fabricated successfully… read more here.

Keywords: high surface; ceo2; ceo2 zro2; surface area ... See more keywords
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Stability properties and microstructure properties of microwave-sintered CeO2 doped zirconia ceramics

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Published in 2021 at "Ceramics International"

DOI: 10.1016/j.ceramint.2021.06.234

Abstract: Abstract Nanosized CeO2–ZrO2 powders prepared by atmospheric pressure pyrolysis were used as raw materials to prepare CeO2–ZrO2 ceramics using microwave sintering. The samples were characterised using bulk density measurements, X-ray diffraction (XRD), Fourier Transform Infrared… read more here.

Keywords: zro2 ceramics; ceo2 zro2; microwave sintering; stability properties ... See more keywords
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Shape control of exposed planes in ceria-zirconia based electrocatalysts for methanol oxidation

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2021.06.030

Abstract: Abstract Nano CeO2–ZrO2 composites with different shapes are synthesized by using hydrothermal and deposition-precipitation methods, and used to obtain Pt/CeO2–ZrO2/RGO catalysts, where reduced graphene oxide(RGO) acts as a carrier. X-ray Diffrattometry (XRD), Raman spectroscopy, transmission… read more here.

Keywords: methanol oxidation; exposed planes; ceo2 zro2; spectroscopy ... See more keywords
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Synthesis of high stability nanosized Rh/CeO2–ZrO2 three-way automotive catalysts by Rh chemical state regulation

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Published in 2020 at "Journal of The Energy Institute"

DOI: 10.1016/j.joei.2020.07.005

Abstract: Abstract The chemical state of precious metals plays an important role in redox reaction. In order to maintain rhodium (Rh) at metallic state, which is recognized as reactive center in three-way catalytic reactions, we synthesized… read more here.

Keywords: chemical state; ceo2 zro2; three way;

The synergy of SPR effect and Z-scheme of Ag on enhanced photocatalytic performance of 3DOM Ag/CeO2-ZrO2 composite

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Published in 2018 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2018.01.004

Abstract: Abstract Using polystyrene spheres (PS) as a template, a kind of three-dimensionally ordered macroporous (3DOM) Ag/CeO2-ZrO2 material was synthesized by the sol–gel combined with the decompression filling method. A series of characterization methods, such as… read more here.

Keywords: 3dom ceo2; ceo2 zro2; spectroscopy; microscopy ... See more keywords
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Deactivation Mechanism of Pd/CeO2–ZrO2 Three-Way Catalysts Analyzed by Chassis-Dynamometer Tests and in Situ Diffuse Reflectance Spectroscopy

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Published in 2019 at "ACS Catalysis"

DOI: 10.1021/acscatal.9b01669

Abstract: The thermal deactivation of engine-aged Pd/CeO2–ZrO2 three-way catalysts was studied by chassis-dynamometer driving test cycles with cold start and in situ diffuse reflectance spectroscopy (DRS). The extent of the catalyst deactivation after engine-aging at 800–1000… read more here.

Keywords: spectroscopy; zro2 three; deactivation; ceo2 zro2 ... See more keywords
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Solvothermal synthesis of CeO2–ZrO2–M2O3 (M = La, Y, Bi) mixed oxide and their soot oxidation activity

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d1ra08183g

Abstract: CeO2–ZrO2-M2O3 (M = La, Y, Bi) mixed oxide has been prepared by a solvothermal synthesis method. The physico–chemical properties of the mixed oxide have been studied by X-ray powder diffraction (XRD), Raman spectroscopy, BET, X-ray… read more here.

Keywords: oxidation; spectroscopy; zro2 m2o3; ceo2 zro2 ... See more keywords