Bimetallic Catalysts: Discoveries, Concepts, and ApplicationsPresents an account of the research on bimetallic catalysts. Focuses attention on the possibility of influencing the selectivity of chemical transformations on metal surfaces and preparing metal alloys in a highly dispersed state. Covers the validation and elucidation of the bimetallic cluster concept. Includes figures and tables. |
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Results 1-3 of 11
Page 105
... parameter in Eq . 4.14 . Also , the values of the interatomic distance R in Eqs . 4.14 and 4.17 will not in general be equivalent . The determination of interatomic distances and other parameters involves fitting of the expression for x ...
... parameter in Eq . 4.14 . Also , the values of the interatomic distance R in Eqs . 4.14 and 4.17 will not in general be equivalent . The determination of interatomic distances and other parameters involves fitting of the expression for x ...
Page 114
... parameters for this sample in Table 4.2 are characteristic of high spin ferrous ions in oxides ( 54 ) , which indicates that the iron in the sam- ple is reduced only to the ferrous state with hydrogen at 500 ° C . There is no evidence ...
... parameters for this sample in Table 4.2 are characteristic of high spin ferrous ions in oxides ( 54 ) , which indicates that the iron in the sam- ple is reduced only to the ferrous state with hydrogen at 500 ° C . There is no evidence ...
Page 118
... parameters for these samples in Table 4.2 are also similar . These results indicate that sample B - 600 also consists of platinum clusters with iron atoms incorporated therein . However , sample C - 600 gives a spectrum which is very ...
... parameters for these samples in Table 4.2 are also similar . These results indicate that sample B - 600 also consists of platinum clusters with iron atoms incorporated therein . However , sample C - 600 gives a spectrum which is very ...
Common terms and phrases
absorber atom absorption edge absorption fine structure Academic Press adsorbed alkanes alloys alumina aromatic hydrocarbons atomic ratio atoms benzene bimetallic catalysts bimetallic clusters bulk calcined carbon monoxide cata Catal catalyst containing catalytic activity catalytic reforming Chem components composition coordination shell copper copper atoms copper EXAFS corresponding crystallites CuOs cycloalkanes cyclohexane decreases dehydrogenation electron energy EXAFS data fitting error Group IB metal Group VIII metal H₂ highly dispersed hydrogen chemisorption hydrogen partial pressure interatomic distance isomerization isotherm lower lysts methylcyclopentane Mössbauer Mössbauer effect n-heptane naphtha nearest neighbor nickel nickel-copper alloys obtained OsCu osmium osmium and copper osmium-copper catalyst parameters partial pressure permission from Academic phase shift functions Phys platinum and iridium platinum-iridium catalyst platinum-rhenium catalyst reactions reference catalyst Reprinted with permission rhenium room temperature ruthenium-copper aggregates ruthenium-copper catalyst sample shown in Figure silica silica-supported Sinfelt space velocity spectroscopy studies surface atoms tion values X-ray diffraction yields