Hydrogen peroxide synthesis

Details Hydrogen peroxide synthesis Hydrogen peroxide synthesis

C - Chemistry, Metallurgy

01

B

23/287

C01B 15/029 (2006.01)

Patent

CA 1177225

ABSTRACT This invention relates to improvements in palladium- carbon catalysts for the production of hydrogen peroxide from a mixture of hydrogen and oxygen in the presence of an aqueous liquid capable of inhibiting the decomposi- tion of hydrogen peroxide. The improvement comprises pretreating the catalyst with an aldehyde or ketone, and, preferably, also pretreating the catalyst with a dilute solution of hydrochloric acid. Improved catalysts are obtained by reducing a soluble palladium compound deposited on a high surface area non-graphitic carbon base, in the form of a dried powder, with hydrogen at 27-200°C.

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