Shell catalysts, processes for their preparation and their use

Details Shell catalysts, processes for their preparation and their use Shell catalysts, processes for their preparation and their use

1997-07-14

1999-05-04

Griffin, Walter D.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502325, 502184, 502185, 502174, 502180, 502340, 502355, 502349, 502302, 502344, B01J 2358

Patent

active

059003863

ABSTRACT:
Disclosed are shell catalysts which contain, on powdered or shaped supports, one or more metals from groups VIII and IB of the Periodic Table of Elements. The catalysts are obtained by coating the support with the catalytically active metals in aqueous solutions of mono- or bimetallic colloids of these metals, wherein the colloids are stabilized by highly hydrophilic surfactants.

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Nakao et al., J. Colloid Interface Sci. (1989), 131: 186-191.-no month.
A. Honji et al., J. Electrochem. Soc. (1990), 137: 2084-2088.-no month.
Chemical Abstracts (107:121886 CA), "Controlled Preparation of Monodisperse Bimetallic Palladium-Gold Colloids with Three Different Microstructures and Their Use", Michel et al., 1987.

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