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 122
... rhenium alone indicate signficant chemisorption of carbon monoxide , but no chemisorption of hydrogen . As expected , the platinum catalyst chemisorbs both carbon monoxide and hy- drogen , and the values of CO / M and H / M are nearly ...
... rhenium alone indicate signficant chemisorption of carbon monoxide , but no chemisorption of hydrogen . As expected , the platinum catalyst chemisorbs both carbon monoxide and hy- drogen , and the values of CO / M and H / M are nearly ...
Page 124
... rhenium in cata- lysts containing these two elements . These workers , on the basis of infrared spectroscopy studies of carbon monoxide chemisorbed on platinum- rhenium catalysts , and also of X - ray photoelectron spectroscopy measure ...
... rhenium in cata- lysts containing these two elements . These workers , on the basis of infrared spectroscopy studies of carbon monoxide chemisorbed on platinum- rhenium catalysts , and also of X - ray photoelectron spectroscopy measure ...
Page 151
... rhenium catalyst . The activity of the com- bined catalyst system is intermediate between the activities of the individual platinum - iridium and platinum - rhenium catalysts . Figure 5.10 shows that C , + yields are equivalent for the ...
... rhenium catalyst . The activity of the com- bined catalyst system is intermediate between the activities of the individual platinum - iridium and platinum - rhenium catalysts . Figure 5.10 shows that C , + yields are equivalent for the ...
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