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 20
... composition depends mark- edly on the type of reaction , thus leading to substantial selectivity effects . The catalysts to be considered here are alloy powders with a surface area of ap- proximately 1 m2 / g ( 6 ) . Approximately one ...
... composition depends mark- edly on the type of reaction , thus leading to substantial selectivity effects . The catalysts to be considered here are alloy powders with a surface area of ap- proximately 1 m2 / g ( 6 ) . Approximately one ...
Page 25
... compositions obtained by Helms using Auger spectroscopy ( 42 ) . In considering the surface composition of alloys , one must be aware that the nature of the gas in contact with an alloy surface can have a pronounced effect on the ...
... compositions obtained by Helms using Auger spectroscopy ( 42 ) . In considering the surface composition of alloys , one must be aware that the nature of the gas in contact with an alloy surface can have a pronounced effect on the ...
Page 30
... composition of nickel - gold alloys . " J. Catal . 30 : 438-443 ; 1973 . Bouwman , R .; Lippits , G.J.M .; and Sachtler , W.M.H. " Photoelectric investiga- tion of the surface composition of equilibrated Ag - Pd alloys in ultrahigh ...
... composition of nickel - gold alloys . " J. Catal . 30 : 438-443 ; 1973 . Bouwman , R .; Lippits , G.J.M .; and Sachtler , W.M.H. " Photoelectric investiga- tion of the surface composition of equilibrated Ag - Pd alloys in ultrahigh ...
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