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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Murzin, Dmitry Yu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Interactions between Iron and Nickel in Fe-Ni Nanoparticles on Y Zeolite for Co-Processing of Fossil Feedstock with Lignin-Derived Isoeugenolcitations
- 2023Dry Reforming of Methane over Ni-Fe-Al Catalysts Prepared by Solution Combustion Synthesiscitations
- 2022CuZSM-5@HMS composite as an efficient micro-mesoporous catalyst for conversion of sugars into levulinic acidcitations
- 2022Catalyst supports based on ZnO-ZnAl 2 O 4 nanocomposites with enhanced selectivity and coking resistance in isobutane dehydrogenationcitations
- 2021Effect of metal particle shape on hydrogen assisted reactionscitations
- 2021Mono- and Bimetallic Ni−Co Catalysts in Dry Reforming of Methanecitations
- 2021Mono‐ and Bimetallic Ni−Co Catalysts in Dry Reforming of Methanecitations
- 2020Transformation of industrial steel slag with different structure-modifying agents for synthesis of catalystscitations
- 2019Synthesis and Characterization of Novel Catalytic Materials Using Industrial Slag:Influence of Alkaline Pretreatment, Synthesis Time and Temperaturecitations
- 2019Synthesis and Characterization of Novel Catalytic Materials Using Industrial Slagcitations
- 2016Alumina ceramic foams as catalyst supportscitations
- 2013Imidazolium-Based Poly(ionic liquid)s as New Alternatives for CO2 Capture.citations
- 2010Decarboxylation of fatty acids over Pd supported on mesoporous carboncitations
- 2008Synthesis of biodiesel via deoxygenation of stearic acid over supported Pd/C catalystcitations
Places of action
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article
Mono‐ and Bimetallic Ni−Co Catalysts in Dry Reforming of Methane
Abstract
<jats:title>Abstract</jats:title><jats:p>Several bimetallic Ni−Co catalysts supported on θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> together with 10 wt % Ni and 10 wt % Co on θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> were prepared via the incipient wetness method, characterized by X‐ray diffraction (XRD), nitrogen adsorption, transmission electron microscopy, temperature programmed reduction, temperature programmed CO<jats:sub>2</jats:sub> desorption, Fourier Transformed Infrared Spectroscopy (FTIR) with pyridine adsorption‐desorption and tested in dry methane reforming at 700 °C in a fixed bed reactor. According to XRD the metal oxide crystallite sizes decreased from 20 nm for 10 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> to 13 nm for 5 wt % Ni‐5 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>, which also showed formation of a mixed oxide alloy. The unit cell parameters for spinel in the fresh catalyst and fcc metal formed during the reaction followed the Vegard's rule. Although monometallic 10 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> exhibited high hydrogen consumption, desorption temperature was also high resulting in a rather low activity of 10 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> in comparison to bimetallic 5 wt % Ni‐5 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>. The latter exhibited the highest initial activity for hydrogen formation due to its relatively small metal particle size. This catalyst suffered, however, from extensive coking. The most stable catalyst was 10 wt % Ni/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> for which the hydrogen yield decreased form 56 % to 45 % during 100 h time‐on‐stream. For this catalyst no sintering occurred, opposite to 10 wt % Co/θ‐Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>.</jats:p>