[PDF] Top 20 Hydrogen spillover in the Fischer‐Tropsch synthesis on carbon‐supported cobalt catalysts
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Hydrogen spillover in the Fischer‐Tropsch synthesis on carbon‐supported cobalt catalysts
... The Fischer-Tropsch reaction transforms syngas into high added value products, among which liquid ...towards the most desired hydrocarbons. The performances of cobalt-based ... Voir le document complet
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Effect of support and its surface modifications in cobalt-based Fischer-Tropsch synthesis
... products in FT synthesis are the pore structure and chemical nature of the support, the type of support material (selectivities for C 5+ hydrocarbons: SiC > titania/α-alumina > ... Voir le document complet
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Pépite | Effet du soufre sur la synthèse Fischer-Tropsch : les catalyseurs à base de molybdène et de cobalt promus
... behavior. The catalysts in this work were prepared either using an incipient wetness impregnation or mechanical ...is the most often used method for supported catalysts ... Voir le document complet
233
Pépite | Nouveaux catalyseurs Fischer-Tropsch à base de zéolithes mésoporeuses et de matériaux carbonés pour la production d’hydrocarbures de coupe d’essence et d’oléfines légers
... inside the nanotubes where their diameters were controlled by nanotube pore ...size. The iron catalysts supported by narrow pore carbon nanotubes showed higher activity and better ... Voir le document complet
192
Pépite | Etude de catalyseurs à base de carbure de molybdène pour le reformage à sec du méthane et la synthèse Fischer-Tropsch
... surface, the others four catalysts exhibited relative larger molybdenum species crystallite ...process, the absence of XRD characteristic peaks of molybdenum oxide revealed the complete ... Voir le document complet
189
Aqueous phase reforming of pilot-scale Fischer-Tropsch water effluent for sustainable hydrogen productio
... production. Fischer-Tropsch product water A B S T R A C T Fischer-Tropsch (FT) synthesis produces an aqueous stream containing light oxygenates as major ...by-product. The low ... Voir le document complet
9
A mathematical modeling of catalytic milli-fixed bed reactor for Fischer–Tropsch synthesis: Influence of tube diameter on Fischer Tropsch selectivity and thermal behavior
... Regarding the catalyst, iron and cobalt on various oxide supports have been widely used for FT ...Although cobalt catalysts are more expensive than iron ones, cobalt catalysts ... Voir le document complet
14
Hydroxyapatite as a new support material for cobalt-based catalysts in Fischer-Tropsch synthesis
... role in determining the active phase dispersion [11] ...with cobalt species favors high Co dispersion, however, this phenomenon leads to the formation of small Co nanoparticles and refractory ... Voir le document complet
13
Cobalt catalysts on carbon-based materials for Fischer-Tropsch synthesis: a review
... Indeed, the evolution of TOF and S C5+ with Co particle size is indeed quite complex, presumably due to the combined effect of different parameters such as hydrogen spillover, cobalt ... Voir le document complet
107
Nanostructured catalysts for the development of the hydrogen economy
... of the thesis Preferential oxidation (PROX) of CO in excess hydrogen currently attracts significant attention for removing CO from hydrogen, in particular for PEM fuel cell ...to ... Voir le document complet
220
Degradation by Hydrogen Peroxide of Metal-Nitrogen-Carbon Catalysts for Oxygen Reduction
... for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...not. The documents may come from teaching and research institutions in France or abroad, or ... Voir le document complet
14
Supported cobalt mediated radical polymerization (SCMRP) of vinyl acetate and recycling of the cobalt complex
... a cobalt(II) acetylacetonate complex was immobilized on silica and Merrifield resin and successfully used for the cobalt-mediated radical polymerization of vinyl ...acetate. The polymerization ... Voir le document complet
6
Synthesis of carbon-supported binary FeCo–N non-noble metal electrocatalysts for the oxygen reduction reaction
... model, the other possi- bility is a switch center model. The oxygen is reduced to some intermediate at one metal center and ...released. The intermediate is transferred to another metal center and ... Voir le document complet
10
CCVD synthesis of carbon nanotubes with W/Co–MgO catalysts
... increasing the W/Co ratio. We also noticed the presence of increasing amounts of CNF and amorphous ...carbon. In the case of CNT prepared from catalysts containing both Co and W, ... Voir le document complet
7
Synthesis and characterization of Ni/GDC cermet catalysts for hydrogen production
... Ni/GDC catalysts present a high resistance to coke deposition 1 compared to conventional industrial materials ...Ni supported on γ-Al 2 O 3 ...since carbon species deposited on Ni sites can be ... Voir le document complet
3
Analysis of heavy paraffinic Fischer-Tropsch waxes using gel permeation chromatography
... It appears that the Fischer-Tropsch synthesis continues to grow via the postulated linear polymerization process ad infinitum since differential number fraction molecul[r] ... Voir le document complet
120
Echauffement de nanoparticules par un champ magnétique haute fréquence : Applications en cancérologie et catalyse de réaction Fischer-Tropsch
... between the polymer and the nanoparticle surface is preferred. In this paper, we describe the synthesis of uniform magnetic nanocrystals with particle diameters ranging from 20 to 30 nm ... Voir le document complet
227
Graphene-supported 2D cobalt oxides for catalytic applications
... applications in the last ...counter-parts in the catalysis, 1, 2 electrocatalysis 3 and photocatalysis 4 ...fields. In particular, ultra-thin non-layered oxides have proven more ... Voir le document complet
12
Enhanced Production of γ‐Valerolactone with an Internal Source of Hydrogen on Ca‐Modified TiO 2 Supported Ru Catalysts
... Abstract: In this work, calcium-modified titania supported Ru catalysts were synthesized and evaluated in the levulinic acid hydrogenation with formic acid as internal hydrogen ... Voir le document complet
13
Metal supported on dendronized magnetic nanoparticles: highly selective hydroformulation catalysts
... G(0)-G(3) catalysts were carried out at 50 ° C with a 1:1 mixture of carbon monoxide and hydrogen under a total pressure of 1000 ...psi. The results are shown in Table 2. For the ... Voir le document complet
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