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Relations between synthesis and microstructural properties of copper/zinc hydroxycarbonates.
- B. Bems, M. Schur, Alina Dassenoy, H. Junkes, D. Herein, R. Schlögl
- Chemistry, Medicine
- 9 May 2003
A scheme of solid formation processes that explains the phenomenon of a "chemical memory" of the precipitates when they are converted into Cu/ZnO model catalysts is summarised. Expand
Reaction of NO with carbonaceous materials: 1. reaction and adsorption of NO on ashless carbon black
Abstract The mechanism of the reaction of NO with ashless carbon black was studied in detail. The differences between the amounts of oxygen and nitrogen measured and the calculated concentrations of… Expand
The Correlation of Subsurface Oxygen Diffusion with Variations of Silver Morphology in the Silver–Oxygen System
Silver undergoes pronounced morphological changes following high-temperature treatment in various gas atmospheres. SEM analysis shows that high-temperature treatment in oxygen leads to pronounced… Expand
Reaction of NO with carbonaceous materials: 2. effect of oxygen on the reaction of NO with ashless carbon black
The reaction rate in the reaction of NO with an ashless carbon black was considerably enhanced in the presence of oxygen. A similar effect has also been observed in the reaction of NO with the… Expand
Structural and catalytic properties of sodium and cesium exchanged X and Y zeolites, and germanium-substituted X zeolite
Abstract The conversion of isopropanol in a fixed bed flow reactor was used as a test reaction for a number of faujasite-type zeolites which were modified in order to increase their basicity. Samples… Expand
Ruthenium Catalysts for Ammonia Synthesis at High Pressures: Preparation, Characterization, and Power-Law Kinetics.
The Production of Different Carbon Forms by Electric Arc Graphite Evaporation.
Ruthenium catalysts for ammonia synthesis at high pressures: Preparation, characterization, and power-law kinetics
Abstract Supported Ru catalysts for NH3 synthesis were prepared from Ru3(CO)12 and high-purity MgO and Al2O3. In addition to aqueous impregnation with alkali nitrates, two non-aqueous methods based… Expand
Molybdenum oxide based partial oxidation catalyst: 1. Thermally induced oxygen deficiency, elemental and structural heterogeneity and the relation to catalytic performance
Abstract A mixed oxide catalyst containing Mo, V, and W was used for the partial oxidation of methanol. The relation between the structure and the degree of reduction of this mixed oxide catalyst and… Expand
Structural evolution of H4PVMo11O40·xH2O during calcination and isobutane oxidation : New insights into vanadium sites by a comprehensive in situ approach
Abstract H4PVMo11O40⋅8H2O was studied during thermal activation as well as during isobutane oxidation by simultaneous in situ-EPR/UV–vis/Raman spectroscopy, in situ-FTIR spectroscopy, and quasi-in… Expand