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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Page 44
... normal . In the experiments to be considered here , the average takeoff angle was approximately 45 ° . In estimates of electron mean free paths from Figure 3.8 , there is uncer- tainty indicated by the width of the band . As a result ...
... normal . In the experiments to be considered here , the average takeoff angle was approximately 45 ° . In estimates of electron mean free paths from Figure 3.8 , there is uncer- tainty indicated by the width of the band . As a result ...
Page 135
... normal structure to the singly branched structures . Hydrocracking and hydrogenolysis reactions involve rupture of carbon- carbon bonds followed by hydrogenation . Such reactions are very exother- mic and are highly favorable from a ...
... normal structure to the singly branched structures . Hydrocracking and hydrogenolysis reactions involve rupture of carbon- carbon bonds followed by hydrogenation . Such reactions are very exother- mic and are highly favorable from a ...
Page 143
... normal reforming conditions . The iridium- alumina catalyst will also exhibit a lower rate of formation of carbonaceous residues on the surface , with the result that the maintenance of activity with time will be much superior to that ...
... normal reforming conditions . The iridium- alumina catalyst will also exhibit a lower rate of formation of carbonaceous residues on the surface , with the result that the maintenance of activity with time will be much superior to that ...
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