2009
DOI: 10.1016/j.cattod.2008.03.020
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Preparation of highly active catalysts for ultra-clean fuels

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Cited by 26 publications
(32 citation statements)
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“…[1,2] Their catalytic performance is strongly affected by cobalt dispersion: higher metal dispersion supposes higher proportion of reduced metal in the catalyst and lower average nanoparticle size. This can be achieved by optimizing catalyst texture, [3] adding organic compounds, [4] [5] or promoters [6] during catalyst preparation, decomposing cobalt nitrate in a glow discharge [7] or by controlling the catalyst thermal activation. [8,9,10,11] In particular, de Jong et al prepared smaller Co 3 O 4 and Co 0 particles on SBA-15 silicas by activating the catalyst in a NO-containing atmosphere instead of air prior to the reduction.…”
mentioning
confidence: 99%
“…[1,2] Their catalytic performance is strongly affected by cobalt dispersion: higher metal dispersion supposes higher proportion of reduced metal in the catalyst and lower average nanoparticle size. This can be achieved by optimizing catalyst texture, [3] adding organic compounds, [4] [5] or promoters [6] during catalyst preparation, decomposing cobalt nitrate in a glow discharge [7] or by controlling the catalyst thermal activation. [8,9,10,11] In particular, de Jong et al prepared smaller Co 3 O 4 and Co 0 particles on SBA-15 silicas by activating the catalyst in a NO-containing atmosphere instead of air prior to the reduction.…”
mentioning
confidence: 99%
“…The molar ratio of the organic additives to Co 2? , Y, was unity since the maximum conversion for Co(5)-NTA(Y)/SiO 2 was attained at this ratio [26]. In the absence of ZrO x modification, the conversions increased in a following order:…”
Section: Combination Effects Of Organic Additive and Zro X Promotersmentioning
confidence: 90%
“…The polarized nature of both transition metal complexes and inorganic oxides causes the adsorption of species due to electrostatic interaction between them. The result of this interaction is a strong metal-support interaction on a catalyst [32][33][34] .…”
Section: Strong Metal-support Interactionmentioning
confidence: 99%
“…The complex formed possibly shows resistance to sintering as it contains a bulky structure where metal ions are surrounded by ligands. Figure 2.1 compares the space-time yield (STY) of C 10 -C 20 hydrocarbons (equivalent to diesel fraction) over the different catalysts 34 , each containing 5 w% cobalt. The STY of C 10 -C 20 hydrocarbon is higher for the catalyst with chelating agents.…”
Section: Modification With a Chelating Agentmentioning
confidence: 99%
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