Improvements in catalysts

Details Improvements in catalysts Improvements in catalysts

B - Operations, Transporting

01

J

B01J 23/52 (2006.01) B01J 23/38 (2006.01) B01J 23/44 (2006.01) B01J 37/08 (2006.01) C01B 15/01 (2006.01) C01B 15/029 (2006.01)

Patent

CA 2615076

A catalyst effective for the direct reaction of hydrogen and oxygen to form hydrogen peroxide comprises particles of gold, palladium or, preferably, gold and palladium deposited upon an acid- washed support. Surprisingly high selectivity to and production of hydrogen peroxide is observed, with low hydrogen peroxide decomposition. The catalysts have extended lifespan.

Un catalyseur favorisant la réaction directe de l'hydrogène et de l'oxygène de manière à former du peroxyde d'hydrogène comprend des particules d'or, de palladium, ou, de préférence de l'or et du palladium déposés sur un support lavé à l'acide. On observe curieusement une sélectivité élevée par rapport au peroxyde d'hydrogène ainsi qu'une production de ce dernier, avec une décomposition de peroxyde d'hydrogène faible. Les catalyseurs ont une durée de vie étendue.

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