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 16
... ruthenium catalyst containing 5 wt % ruthenium ( 28 ) . ( Reprinted with permission from Academic Press , Inc. ) H / Ru 0.50 only slightly pressure dependent over the range of pressures employed 16 Rate (molecules/sec/site) ...
... ruthenium catalyst containing 5 wt % ruthenium ( 28 ) . ( Reprinted with permission from Academic Press , Inc. ) H / Ru 0.50 only slightly pressure dependent over the range of pressures employed 16 Rate (molecules/sec/site) ...
Page 57
... ( Reprinted with permission from Academic Press , Inc. ) tivity , is observed to be much lower for large ruthenium - copper aggregates than for highly dispersed ruthenium - copper clusters , as shown in Figures 4.2 and 4.3 . The observed ...
... ( Reprinted with permission from Academic Press , Inc. ) tivity , is observed to be much lower for large ruthenium - copper aggregates than for highly dispersed ruthenium - copper clusters , as shown in Figures 4.2 and 4.3 . The observed ...
Page 117
... Reprinted with permission from Academic Press . Magnetic Field , kOe 325 260 295 Transmission 1.00 Sample B - 600 0.98 0.96 0.94 1.00 4.2 PLATINUM - IRIDIUM CLUSTERS 117.
... Reprinted with permission from Academic Press . Magnetic Field , kOe 325 260 295 Transmission 1.00 Sample B - 600 0.98 0.96 0.94 1.00 4.2 PLATINUM - IRIDIUM CLUSTERS 117.
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