Process of preparing catalyst supporting highly dispersed platin

Details Process of preparing catalyst supporting highly dispersed platin Process of preparing catalyst supporting highly dispersed platin

1993-07-06

1994-09-27

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502185, 423 22, B01J 2342

Patent

active

053507274

ABSTRACT:
Disclosed herein is a process of preparing a catalyst having narrow particle size distribution and supported with monodispersed platinum particles of which a particle size is about less than 20 .ANG.. In the present invention, allyl alcohol and hydrazinc hydrate are employed in place of a sulfur-containing agent for supporting the platinum particles on a support thereby avoiding the contamination of the sulfur component and the high temperature treatment for decomposing the sulfur-containing agent. Accordingly, the resulting catalyst contains no sulfur contaminant and substantially no agglomerated platinum particles.

REFERENCES:
patent: 3953369 (1976-04-01), Ohara et al.
patent: 3992512 (1976-11-01), Petrow et al.
patent: 4136059 (1979-01-01), Jalan et al.
patent: 4221678 (1980-09-01), Ishikawa et al.

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