منابع مشابه
CO/NO and CO/NO/O2 reactions over a Au–Pd single crystal catalyst
NO reduction by CO was investigated over a AuPd(1 0 0) model catalyst at near atmospheric pressures. The alloy catalyst exhibits higher CO2 formation rates below 550 K than does pure Pd, although the binding energy of NO on the alloy surface is substantially less, i.e., its dissociation tendency is much less, compared with pure Pd. This behavior is rationalized by the fact that the low CO/NO-bi...
متن کاملCO + O2 and CO + NO Reactions over Pd/Al2O3 Catalysts
The kinetics of the CO + NO and CO + O2 reactions have been studied over several different Pd/Al2O3 powder catalysts covering a wide range of average Pd particle sizes. The structure-insensitive nature of the CO + O2 reaction over Pd has been exploited to determine the relative dispersions in several Pd/Al2O3 powder catalysts by measuring the rate of that reaction and normalizing against surfac...
متن کاملSplitting CO2 into CO and O2 by a single catalyst.
The metal complex [(tpy)(Mebim-py)Ru(II)(S)](2+) (tpy = 2,2' : 6',2''-terpyridine; Mebim-py = 3-methyl-1-pyridylbenzimidazol-2-ylidene; S = solvent) is a robust, reactive electrocatalyst toward both water oxidation to oxygen and carbon dioxide reduction to carbon monoxide. Here we describe its use as a single electrocatalyst for CO(2) splitting, CO(2) → CO + 1/2 O(2), in a two-compartment elect...
متن کاملVibrational spectroscopic studies on CO adsorption, NO adsorption CO þ NO reaction on Pd model catalysts
CO adsorption, NO adsorption and CO þ NO reaction on various Pd model catalysts have been studied using vibrational spectroscopy from ultrahigh vacuum (UHV) up to elevated pressures (B1 bar) and the kinetics of the reaction compared with the conventional high surface area Pd/g-Al2O3 catalysts. The structure sensitivity of the CO þ NO reaction on different Pd surfaces is explained using Pd(111),...
متن کاملHighly loaded and thermally stable Cu-containing mesoporous silica-active catalyst for the NO + CO reaction.
We report the synthesis of a highly loaded and thermally stable Cu-containing mesoporous silica, which was developed by making use of poly(acrylic acid) (Pac) assembled with surfactant (C(16)TAB), as template. On this backbone, TEOS and Cu(II) hydrolysis takes place leading to the development of the final mesostructure. Poly(acrylic acid) is used not only as a micelle structural component but a...
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ژورنال
عنوان ژورنال: NIPPON KAGAKU KAISHI
سال: 1985
ISSN: 2185-0925,0369-4577
DOI: 10.1246/nikkashi.1985.1682