Articles with "composite oxides" as a keyword



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Highly Ordered Mesoporous Cobalt-Copper Composite Oxides for Preferential CO Oxidation

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Published in 2017 at "Catalysis Surveys from Asia"

DOI: 10.1007/s10563-017-9224-3

Abstract: Highly ordered mesoporous cobalt-copper composite oxides were prepared by the nanocasting method with various Co and Cu ratios. The catalysts obtained were characterized by X-ray diffraction, N2 adsorption–desorption, H2-temperature programmed reduction, CO-temperature programmed desorption and… read more here.

Keywords: mesoporous cobalt; copper composite; composite oxides; cobalt copper ... See more keywords
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Iron-niobium composite oxides for selective catalytic reduction of NO with NH3

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Published in 2017 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2017.04.033

Abstract: Abstract Iron-niobium composite oxides (NbaFeOx, a represents the mass percent of Nb in Fe-Nb composite oxides) were studied for the selective catalytic reduction (SCR) of NOx with NH3. The Nb-doped Fe2O3 was found to be… read more here.

Keywords: catalytic reduction; niobium composite; selective catalytic; composite oxides ... See more keywords
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Synthesis and characterization of composite Fe-Ti oxides nanoparticles with high surface area obtained via AACVD

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2018.01.132

Abstract: Abstract The synthesis of composite Fe-Ti oxides nanoparticles was achieved through the modification of a precursor solution containing different Ti loadings. The nanostructured materials were produced via aerosol assisted chemical vapor deposition method using the… read more here.

Keywords: microscopy; surface area; surface; composite oxides ... See more keywords
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Tuning the property of Mn-Ce composite oxides by titanate nanotubes to improve the activity, selectivity and SO2/H2O tolerance in middle temperature NH3-SCR reaction

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Published in 2017 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.07.018

Abstract: Abstract Mn-Ce composite oxides were regarded as a promising alternative to substitute V-based catalysts for the abatement of NO x . However, the obstacles in activity, selectivity and SO 2 /H 2 O tolerance still… read more here.

Keywords: titanate nanotubes; tolerance; property; composite oxides ... See more keywords
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A review on bismuth-based composite oxides for photocatalytic hydrogen generation

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.11.063

Abstract: Abstract Bismuth-based composite oxides are always considered the best visible-light photocatalysts for oxygen production. However, they are failed to photocatalytic reduce the hydrogen from water, due to their lower conduction band made up by Bi… read more here.

Keywords: based composite; composite oxides; hydrogen; photocatalytic hydrogen ... See more keywords
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Co Fe1-Al2O4+ composite oxides supported Pt nanoparticles as efficient and recyclable catalysts for the liquid-phase selective hydrogenation of cinnamaldehyde

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Published in 2019 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2019.09.042

Abstract: Abstract CoxFe1-xAl2O4+δ composite oxides were prepared using a sol-gel method with glucose as hard template. Pt nanoparticles supported on CoxFe1-xAl2O4+δ were employed for the liquid-phase selective hydrogenation of cinnamaldehyde (CAL) to yield the desired cinnamyl… read more here.

Keywords: phase selective; liquid phase; selective hydrogenation; hydrogenation cinnamaldehyde ... See more keywords

Solvothermal synthesis and characterization of nanocrystalline vanadium-chromium composite oxides and catalytic ammoxidation of 2,6-dichlorotoluene

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Published in 2018 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(18)63119-5

Abstract: Abstract Vanadium-chromium oxides (VCrO) were usually prepared by high-temperature solid-state reactions; however, mixed phases were frequently produced and the morphology of the products was not well controlled. In this work, we prepared amorphous VCrO precursors… read more here.

Keywords: ammoxidation dichlorotoluene; water; composite oxides; vanadium chromium ... See more keywords
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Catalytic decomposition of N2O over Mg-Co composite oxides hydrothermally prepared by using carbon sphere as template

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Published in 2018 at "Journal of Fuel Chemistry and Technology"

DOI: 10.1016/s1872-5813(18)30024-0

Abstract: Abstract MgCo2O4 composite oxides with spinel structure were hydrothermally prepared at 120°C by using carbon sphere as template and urea as precipitant. K2CO3 solution was impregnated on MgCo2O4 and the K-modified catalyst was obtained. These… read more here.

Keywords: carbon; sphere template; carbon sphere; using carbon ... See more keywords
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Modulating Cu+ distribution on the surface of Ce-doped CuO composite oxides for SO2-resistant NH3-selective catalytic reduction of NO

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra00581d

Abstract: A series of (CeOx)mCuO composite oxides with different Ce/Cu molar ratios (m) were prepared by co-precipitation for ammonia-selective catalytic reduction of NO (NH3-SCR-NO) in the absence and presence of SO2. Through X-ray diffraction (XRD), X-ray… read more here.

Keywords: catalytic reduction; reduction; nh3 scr; selective catalytic ... See more keywords