Silver catalyst preparation

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B - Operations, Transporting

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J

252/85, 260/372.

B01J 23/50 (2006.01) B01J 23/66 (2006.01) B01J 37/02 (2006.01) B01J 37/08 (2006.01) C07D 301/10 (2006.01)

Patent

CA 2206495

A silver catalyst for ethylene oxidation to ethylene oxide is prepared by impregnating an inert support with a silver/amine solution and calcining the impregnated support at 300-500 °C, the catalyst being maintained under an inert atmosphere at temperatures of 250 °C or higher, preferably at 100 °C or higher.

Catalyseur à base d'argent servant à l'oxydation de l'éthylène en oxyde d'éthylène, par imprégnation d'un support inerte avec une solution d'argent/amine et par calcination du support ainsi imprégné à une température comprise entre 300 et 500 DEG C, le catalyseur étant maintenu dans une atmosphère inerte à 250 DEG C ou plus et, de préférence, à 100 DEG C ou plus.

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