Raney catalyst preparation by gas atomisation of molten alloy
A method of producing a Raney type catalyst, the method comprising melting together a Raney metal and aluminium to form an alloy mixture, pouring the mixture through a nozzle, directing a gas jet on to the mixture to form a spray of droplets, which droplets are directed on to a metallic substrate, t...
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| creator | YIASEMIDES GEORGE PAUL ADKINS NICHOLAS JOHN ELSWORTH SILLITTO STEPHEN MICHAEL ANDREW |
| description | A method of producing a Raney type catalyst, the method comprising melting together a Raney metal and aluminium to form an alloy mixture, pouring the mixture through a nozzle, directing a gas jet on to the mixture to form a spray of droplets, which droplets are directed on to a metallic substrate, the substrate material and thickness and latent heat and superheat of the sprayed material upon initial contact with the substrate being such that the temperature is sufficiently high for an exothermic reaction to take place between the alloy mixture and the substrate such that intermetallic bonds are formed therebetween, and subsequently chemically removing at least some of the aluminium from the sprayed material. |
| format | Patent |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Raney catalyst preparation by gas atomisation of molten alloy |
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