Silver-containing catalysts, the manufacture of such...

Details Silver-containing catalysts, the manufacture of such... Silver-containing catalysts, the manufacture of such...

B - Operations, Transporting

01

J

B01J 23/50 (2006.01) B01J 23/58 (2006.01) B01J 23/63 (2006.01) B01J 23/656 (2006.01) B01J 23/68 (2006.01) B01J 35/02 (2006.01) B01J 35/10 (2006.01) B01J 37/02 (2006.01) C07D 301/00 (2006.01)

Patent

CA 2524890

A high activity and high selectivity silver catalyst comprising silver and, optionally, one or more promoters supported on a suitable support material having the form of a shaped agglomerate. The structure of the shaped agglomerate is that of a hollow cylinder having a relatively small inside (bore) diameter. The catalyst is made by providing the shaped material of a particular geometry and incorporating the catalytic components therein. The catalyst is useful in the epoxidation of ethylene.

L'invention concerne un catalyseur à l'argent à activité et sélectivité élevées comprenant de l'argent et, éventuellement, un ou plusieurs promoteurs portés par un matériau support approprié qui a la forme d'un aggloméré modelé dont la structure est celle d'un cylindre creux dont le diamètre intérieur (alésage) est relativement petit. On obtient le catalyseur en produisant un matériau modelé d'une géométrie spécifique et en y incorporant des composants catalytiques. On utilise le catalyseur en époxydation de l'éthylène.

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