Articles with "ceo2 al2o3" as a keyword



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Aerosol route synthesis of Ni-CeO2-Al2O3 hybrid nanoparticle cluster for catalysis of reductive amination of polypropylene glycol

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Published in 2019 at "Advanced Powder Technology"

DOI: 10.1016/j.apt.2019.07.009

Abstract: Abstract We demonstrated an aerosol-based approach to synthesize Ni-CeO2-Al2O3 hybrid nanostructure as a potent nanopowder catalyst for the production of polyetheramine via reductive amination of polypropylene glycol. The method combines a gas-phase evaporation-induced self-assembly with… read more here.

Keywords: reductive amination; catalyst; al2o3; al2o3 hybrid ... See more keywords
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One step oxidative esterification of methacrolein with methanol over Au-CeO2/γ-Al2O3 catalysts

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Published in 2019 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2019.03.002

Abstract: Abstract Series of gold and ceria supported γ-Al2O3 catalysts were developed for the oxidative esterification of methacrolein with methanol. All the catalysts were prepared through one step deposition-precipitation method, and K2CO3 and urea were used… read more here.

Keywords: al2o3; esterification methacrolein; oxidative esterification; methacrolein methanol ... See more keywords
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Structural, morphological and mechanical investigations of in situ synthesized c-CeO2/α-Al2O3 composites

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2016.09.215

Abstract: Abstract The development of c-CeO2/α-Al2O3 composites targeted for load bearing orthopaedic applications was investigated. Three different c-CeO2/α-Al2O3 compositional ratios were synthesized in situ and the results were compared with pure forms of both c-CeO2 and… read more here.

Keywords: morphological mechanical; structural morphological; ceo2 al2o3; al2o3 composites ... See more keywords
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CO and hydrocarbon light-off inhibition by pre-adsorbed NOx on Pt/CeO2/Al2O3 and Pd/CeO2/Al2O3 diesel oxidation catalysts

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Published in 2019 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2019.115201

Abstract: Abstract Diesel oxidation catalysts (DOC) for abatement of CO and hydrocarbon (HC) emissions are commonly based on PtPd/CeO2/Al2O3 formulations. PdPt/CeO2-ZrO2 or Pd/zeolite materials are also used in passive NOx adsorbers (PNA) that capture nitrogen oxides… read more here.

Keywords: oxidation catalysts; al2o3 ceo2; adsorbed nox; ceo2 al2o3 ... See more keywords
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Comparison of dual CO light-off effect on Pt/CeO2/γ-Al2O3, Pd/CeO2/γ-Al2O3, Pt/γ-Al2O3 and Pd/γ-Al2O3 in the presence of C3H6

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Published in 2020 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2020.115542

Abstract: Abstract Dual CO light-off may occur during simultaneous oxidation of CO and hydrocarbon on three-way catalysts (TWC) and diesel oxidation catalysts (DOC). A plateau, shoulder or secondary peak may occur on the CO light-off curve… read more here.

Keywords: oxidation; dual light; al2o3; ceo2 al2o3 ... See more keywords
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The effect of the Ce content on the oxidative dehydrogenation of propane over CrO -CeO2/γ-Al2O3 catalysts

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Published in 2020 at "Chinese Journal of Chemical Engineering"

DOI: 10.1016/j.cjche.2020.04.022

Abstract: Abstract A series of CrOy (17.5 wt%)-CeO2 (X wt%)/γ-Al2O3 catalysts (X = 0, 0.5, 2, 5, 8) with various Ce contents were prepared by a wetness impregnation method and were applied to the dehydrogenation of propane to propylene… read more here.

Keywords: oxygen; al2o3 catalysts; dehydrogenation; dehydrogenation propane ... See more keywords
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CeO 2 纳米层对多层载体 x -CeO 2 /3DOM Al 2 O 3 负载纳米Au催化剂催化柴油炭烟燃烧活性的影响

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Published in 2017 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(17)62798-0

Abstract: Abstract A series of catalysts consisting of three-dimensionally ordered macroporous (3DOM) x-CeO2/Al2O3-supported Au nanoparticles (x = 2, 10, 20, and 40 wt%) were successfully synthesized using a reduction-deposition method. These catalysts were characterized using scanning… read more here.

Keywords: oxidation; microscopy; ceo2 al2o3; ceo ... See more keywords
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Hydrogen Production via Low-Temperature Steam–Methane Reforming Using Ni–CeO2–Al2O3 Hybrid Nanoparticle Clusters as Catalysts

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Published in 2019 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.9b01444

Abstract: The hybrid nanostructures, Ni-only and Ni–CeO2 nanoparticles decorated on Al2O3 nanoparticle clusters (Ni–Al2O3 NPC and Ni–CeO2–Al2O3 NPC, respectively), were successfully synthesized as catalysts ... read more here.

Keywords: ceo2 al2o3; via low; hydrogen production; nanoparticle clusters ... See more keywords
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Novel n-i CeO2/a-Al2O3 Heterostructure Electrolyte Derived from the Insulator a-Al2O3 for Fuel Cells.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c18240

Abstract: Heterostructure technologies have been regarded as promising methods in the development of electrolytes with high ionic conductivity for low-temperature solid oxide fuel cells (LT-SOFCs). Here, a novel semiconductor/insulator (n-i) heterostructure strategy has been proposed to… read more here.

Keywords: al2o3; ceo2 al2o3; insulator; heterostructure ... See more keywords
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Development of a thermally stable Pt catalyst by redispersion between CeO2 and Al2O3

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Published in 2021 at "RSC Advances"

DOI: 10.1039/d1ra00059d

Abstract: For catalytic systems consisting of Pt as the active component and CeO2–Al2O3 as the support material, the metal–support interaction between the Pt and CeO2 components is widely applied to inhibit aggregation of Pt species and… read more here.

Keywords: ceo2; redispersion; development thermally; ceo2 al2o3 ... See more keywords
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Biogas Upgrading Via Dry Reforming Over a Ni-Sn/CeO2-Al2O3 Catalyst: Influence of the Biogas Source

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Published in 2019 at "Energies"

DOI: 10.3390/en12061007

Abstract: Biogas is a renewable, as well as abundant, fuel source which can be utilised in the production of heat and electricity as an alternative to fossil fuels. Biogas can additionally be upgraded via the dry… read more here.

Keywords: dry reforming; biogas; via dry; catalyst ... See more keywords