Stabilized and doubly promoted platinum group metal...

Details Stabilized and doubly promoted platinum group metal... Stabilized and doubly promoted platinum group metal...

Category

B - Operations, Transporting

Subcategory

01

Subsubcategory

J

CPC

252/48

IPC codes

B01J 23/58 (2006.01) B01D 53/94 (2006.01)

Type

Patent

Patent number

CA 1249567

Description

Abstract of the Disclosure Alumina supported platinum-group metal catalysts exhibit exceptionally good performance and durability when the support is sequentially modified to include support stabilization by lanthana or lanthana-rich rare earth oxides, double promotion by ceria and alkali metal oxides, especially ceria along with lithia, and optionally nickel (oxide) as a base metal catalytic ingredient. For a pelleted Rh containing catalyst to exhibit such an outstanding performance at least part of the Rh component is added separately from any other Pt group metals.

Application Number

483800

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