Noble metal on rare earth modified silica alumina as...

Details Noble metal on rare earth modified silica alumina as... Noble metal on rare earth modified silica alumina as...

B - Operations, Transporting

01

J

B01J 23/54 (2006.01) B01J 21/12 (2006.01) B01J 23/10 (2006.01) B01J 23/63 (2006.01) B01J 37/02 (2006.01) C07C 5/27 (2006.01) C10G 45/60 (2006.01)

Patent

CA 2088389

Rare earth oxides, such as Nd2O3 disperse onto the surface of SiOg/A12O3 and act as weakly basic titrants. This lowers the acidity of SiO2/A12O3 to close to that of chlorided alumina, as shown by model compound reaction tests. This support also disperses a noble metal such as Pt much better than undoped SiO2/Al2O3 and similar to chlorided alumina. Platinum on the rare earth modified silica alumina can function as a hydrocarbon conversion catalyst in reactions where Pt/chlorided Al2O3 is used, such as in reforming, and isomerization, especially wax isomerization.

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